Good god this material makes me want to blow my brains against the wall. For whatever reason, mathematics is just completely indigestible to me. Trig makes a little more sense, but I find myself watching these videos and thinking to myself "If I were working this problem, I would have never thought to do that on my own." It's like I would never know where to go next. I have absolutely NO problem at all with difficult sciences, and love organic chemistry with a passion, but this stuff is just so frustrating.
@CynnickelEnt
8 жыл бұрын
amen
@patrickjmt
7 жыл бұрын
it is like most things on earth: you probably would have figured it with time had you tried. this is the whole point of passing down knowledge, someone with more experience can try and help point out a few things here and there to speed up the learning process. i have spent 20 years doing this stuff, this is not the first time i have ever encountered this material and is reflected as such in the videos.
@bayandamkhize5933
4 жыл бұрын
Cornbreadddd, I can highly relate to that!
@poop2126
4 жыл бұрын
@@patrickjmt our school system goes by the average time our teacher took to complete and adds 10 mins. So usually we get around 40-50 mins at most!
@SVPrelude
10 жыл бұрын
"If I saw a problem like this, just out of no where. The first thing I'd think is... "Holy sh*t""
@anthonyzunno5983
8 жыл бұрын
My graduation speech, "I'd like to thank patrickJMT for being a better math teacher than all 4 years of bullshit I've endured"
@indomie6384
7 жыл бұрын
lmaooo
@Logan-fe6hp
2 жыл бұрын
please tell me you did this
@ZariyaJ
5 жыл бұрын
Damn I'm about to take a L on this test
@cruzgomes5660
4 жыл бұрын
You and me both
@ZariyaJ
4 жыл бұрын
@@cruzgomes5660 I passed the class with a high C I was so pissed
@erazn9077
4 жыл бұрын
@@ZariyaJ oh n o ! lol we’re studying this right now and i haven’t memorized the identities at all...uhh wish me luck hahah
@69faa69
12 жыл бұрын
I swear the best source of learning math better than textbooks, teachers, and everything. U always make my life easier god bless u
@breeelam2280
2 жыл бұрын
Thank you. I've memorized this and have never really been taught how to use it.
@لحظةتأمل-ط3ص
8 жыл бұрын
woooow i didn't understood anything
@d1salebrentarchies.550
3 жыл бұрын
Huhu
@patrickjmt
12 жыл бұрын
thanks for the kind words :)
@stephh7837
3 жыл бұрын
Thank you. I was panicking before my math final, but luckily I found this video. Very helpful
@Km-yi7lu
8 жыл бұрын
God bless you man. You have such a gift.
@danielle9803
10 жыл бұрын
So where did these identities come from? Do we just accept them?
@jayvee3324
9 жыл бұрын
there are videos that show their derivations. look them up, its neat.
@hmz01_
7 жыл бұрын
yeah theyr accepted identities which u can use for proofs and such
@PotatoMC1
6 жыл бұрын
Yes.
@treyatl2006
5 жыл бұрын
I was with you until you let y=2x. I paused the video and solved it to see if we would get the same solution and we did. But you did it a completely different way. All I did was solve using inverse trig and got 90 degrees. And I know from the unit circle that 90 degrees is equal to pi/2. Then I knew that pi/2 is equivalent to 3pi/2 using the graph of cosine for the given interval.
@AssyrianKing4ever
11 жыл бұрын
You always motivate me with your simplestrategies
@BulldogLawyer
5 жыл бұрын
You explained it very well and yet it is still very hard to grasp.
@dirtydand17
4 жыл бұрын
Writing left-handed blocks the view until you're finished and makes it hard to follow what you're talking about as you write. Not sure how to remedy but it could help even more people
@patrickjmt
4 жыл бұрын
maybe in the next life when i make videos, i will be born right handed
@alexhanton3534
11 жыл бұрын
All of these videos are so helpful, maybe I won't fail my final anymore!
@fabiandmello2937
5 жыл бұрын
When I factorise trig, I find it really easy to sub in cos and sin as a variable such as a or b. then its easy to solve the quadratic and at the end when you have your two answers, you can just sub back in cos or sin instead of a or b.
@Kevin-rj5zp
5 жыл бұрын
I was hoping this man would go into equations with coefficients because I find them hard, but he just did the basic stuff. Do you know how to do them?
@fabiandmello2937
5 жыл бұрын
Kevin Isaacs yea I do, your main goal is to form a quadratic looking thing with the same trig ratios, ie. sin cos or tan. This way you can sub in coefficients. Also if you factorise and the equation equals 0 then u can find what 0 is work for both.
@Kevin-rj5zp
5 жыл бұрын
Fabian D'Mello Haha yeah I just figured it out and you confirmed it. Thanks 🙏
@nathanadkins5673
11 жыл бұрын
what do you do if you need to know what quadrant the final answer will be in?
@moniishak
12 жыл бұрын
you know your good at math when you can do it with a permanent marker
@freddy7304
3 жыл бұрын
I dont even understand what is going on at 2:35
@SniperReady
12 жыл бұрын
These contrived problems will likely never see the light of day in real world applications but the underlying concept of simplifying trigonometry with identities is applicable to many science and math based careers. In careers that involve construction, such as engineering and architecture, knowing how to manipulate identities helps you to figure out real world measurements when you only know certain pieces of information.
@narindersharma402
5 жыл бұрын
Such a great video
@hardplayproductions
11 жыл бұрын
Test tomorrow thanks for the help!
@nanokd
11 жыл бұрын
I love this guy - he makes math fun!!
@44bluecrew44
11 жыл бұрын
I love how he makes it sound like he's thinking it up as he goes along... haha you rock patrick
@JOSHTHEVANG
13 жыл бұрын
My professor didn't teach it quite well. Thank you SOO MUCHHH for this video.
@hazmane
11 жыл бұрын
Dear PatrickJMT, Please come teach at my college! I'll take you for Calc 1, 2, and 3 AND differential equations! (I'm about to finish Trig and it's HARD!)
@holmes9405
11 жыл бұрын
patrick, why didn't you use the double angle identity on the 3cos(2x) ??
@ndatendamusekiwa4897
8 жыл бұрын
i do not understand
@cwoissantea
11 жыл бұрын
Thank God you existed in this world THANK YOU VERY MUCH
@Terrozman
13 жыл бұрын
god bless mathematicians like you
@Toronto2245
12 жыл бұрын
im your biggest fan patrick!! go patty!
@x9LiiNa666x
10 жыл бұрын
Simple and strightforward to understand thank you!!!
@VivaLaKaatiee
11 жыл бұрын
I think I love you. :') Thank you for helping me pass my class!!:'D thank math jesus for you!!
@tiffanyaugust8154
4 жыл бұрын
There is an error in the video sum and Difference. Cosx is positive in the 4th quadrant
@JohnHaIo
13 жыл бұрын
Really needed this. Thanks a bunch!
@funkyo22
11 жыл бұрын
How can I wire 1-2 sin^2 (3x) as a singe sine, cosine or tangent???
@camilleespinola8454
4 жыл бұрын
is it not supposed to be -5 and +2...? if I add -5 and 1 that does not make a -3
@dlongestpath1575
6 жыл бұрын
Patric JMT: You have a gift and you are doing your part to make the world better. How do I donate $1 per month?
@samiollah112
7 жыл бұрын
Can you perhaps show me how to solve this : cos2x*sin2x=0 (for interval 0
@BlooCowz
10 жыл бұрын
You are absolutely brilliant
@Mount_Currie
11 жыл бұрын
Anyone else have a final tomorrow? :P
@نورالقمر-ت6ي
8 жыл бұрын
2:50 using change of variable is better. I mean we make t=cos2x and then the solve quadratic equation of t and then we find the value of x.
@tealforever1
12 жыл бұрын
I understood everything up to the point where you made y=2x. why did you do that? :/ i'm confused
@SniperReady
12 жыл бұрын
Very astute, however you're missing the method in this video. When you expand your factoring using FOIL, you'll see that 2cos(2x) * 1 = 2xos(2x) and then -5 * cos(2x) = -5cos(2x) which leaves you with these terms in the middle: 2cos(2x) - 5cos(2x) which definitely equates to -3cos(2x), as we want.
@brandonenzweiler1294
11 жыл бұрын
Could you verify this for me idk what to do if theres a 2- Cotx cosx sinx = 2- tanx cosx cscx
@wasimpysadee984
6 жыл бұрын
How do you solve 8(sin^2)X = 5 - 10cosX ?
@benjaminchan86
11 жыл бұрын
A real math god
@Super_99975
4 жыл бұрын
@PatrickJMT PLEASE HELP ME. I need help with this question. 4sin(8x)cos(8x) Use the double angle formula and leave your answer as a trig function. For example: cos(20 degrees) I got 2sin(16x) as like one answer but it said it was wrong but idk what to do next.
@Kaleabe25
4 жыл бұрын
8sin(2x)(1-sin^2(2x)
@IAMQINGFE
12 жыл бұрын
Why didn't you write it out after you simplified it? I don't get the part that you didn't write out can any one help with that?
@patrickiskool12345
12 жыл бұрын
Will you teach my precalculus honors class, por favor?
@vitusjiwuaku4091
9 жыл бұрын
how do you solve 2cos(x/3) - square root of 3=0
@mariasantoyo2608
9 жыл бұрын
Is there any way I could contact you ? I'm in huge need of help in this section and I have a test tomorrow ! Please ?
@SphericZebra3
7 жыл бұрын
How did your test go?
@fatkozi3817
3 жыл бұрын
Thanks bro 😘 Your explanation was excellent👌
@patrickjmt
3 жыл бұрын
Welcome 😊
@jmartecep
9 жыл бұрын
patrickJMT I am having issues with this problem: cosx - 1/sin^2(x). Would sin^2(x) be equivolent to writing sin2x?
@Freshming1996
9 жыл бұрын
jmartecep Sin^2x can be written as Sin(x+x) ... Sin^2x cannot be equivalent to sin2x
@jmartecep
9 жыл бұрын
Lim Deming Thanks a million :)
@InvalidDiv
9 жыл бұрын
+Lim Deming ummm bro wouldnt sin^2x equal to sinx.sinx
@tonygerera5704
10 жыл бұрын
Thanks man. I got confused on what to do with anything higher than double angles, and the first example helped me out tons.
@smizez
12 жыл бұрын
No one has taught me 5:11- onward. EVER. It took a while to get used to it, but I think I'm gonna like it a lot more than my teachers way of explaining it. P
@umarhaidar9492
11 жыл бұрын
Thanks that really helped
@hazmane
11 жыл бұрын
How'd you do?
@ithrowp00p00
12 жыл бұрын
my brain is turning to mush
@JakeOfAllTrades17
12 жыл бұрын
Wow, that was hard! But I think I followed it through the whole video :)
@fieldhockey2097
11 жыл бұрын
are you some kind of math god
@kaileykeenan3018
10 жыл бұрын
you're my hero
@crumpmeg
11 жыл бұрын
This helped a lot! Thanks :D
@pacjd6100
10 жыл бұрын
Then how do you solve 4sin^2(A) cos^2 ()A = sin^2 (A)?
@hicrayert
10 жыл бұрын
you dont solve that. its a proof.
@olitheballer
7 жыл бұрын
Don't understand anything after 4:21 :/
@olitheballer
7 жыл бұрын
Nope, I got totally fked over by this section during the finals. I don't even remember anything anymore at this point. Got a C- in the course :/. Trig is just not my thing.
@Lemaj718
10 жыл бұрын
why did you turn 2x into y=2x??
@zenesisblade9635
10 жыл бұрын
It's not necessary but some people might accidentally do something with the 2 before anything happened so he was just adding an extra step to eliminate any minor mistakes.... I think at least
@BigJonesbiem
13 жыл бұрын
good video but make the audio louder!!
@joalroselin4229
11 жыл бұрын
You're like my savior and I don't even know what you look like :))
@chocolatebutter995
8 жыл бұрын
how about like this? 1/2+ 3/4 how?
@melchizedekell7951
8 жыл бұрын
you should find their common denominator .. 1/2 + 3/4 = 1/2 multiplied by 2 so that it's denominator becomes 4 and then it becomes 2/4 + 3/4
@minoljayalath6539
5 жыл бұрын
@@melchizedekell7951 I think she was joking..
@melchizedekell7951
5 жыл бұрын
@@minoljayalath6539 haha after 2 long years
@minoljayalath6539
5 жыл бұрын
@@melchizedekell7951 too long
@patrickjmt
12 жыл бұрын
@Toronto2245 : )
@امعبداللهالزوبعي-ص4ز
7 жыл бұрын
math can chock, my midterm exam is in a few hours and I'm giving up already
@hmz01_
7 жыл бұрын
i hear ya, but keep on goinn!
@frenlyfren
8 жыл бұрын
gawd no.
@artdude8278
7 жыл бұрын
"PatrickJMT is truly a God" - everyone who's been able to do better in math because of this channel Including me
@mmnk1708
6 жыл бұрын
how did he get pie and three pie
@AlexK9465
6 жыл бұрын
From the unit circle.
@ma_r1o24
5 жыл бұрын
I wish you could sit for my exams on my part T_T
@TRW186
8 жыл бұрын
why don't you use Theta instead of x as a variable it would be much easier to follow
@فيزيائيفضولي
8 жыл бұрын
you should be more flexible on math,
@christophersenior2942
8 жыл бұрын
I agree, being more flexible to other pathways of solving mathematical equations, might help you solve them.
@tinashemajuru5338
2 жыл бұрын
After all this explanation i still finds it difficult to solve double angles
@Aiden-yx9ht
4 жыл бұрын
I don't think this was factored correctly. The two in from of the first terms distributes to the last term. It should be -5 and 2 for the factors that add up to negative 3 and multiply to get -10.
@johnmolokach_staff-southga3529
2 жыл бұрын
FOIL the factors and you will see he did it right. The "outer terms" multiply to make the 2 and the "inner terms" multiply to make the -5.
@nathaniellee7166
6 жыл бұрын
Yes this video was posted six years ago but i have to say it. You factored wrong. it should be 2 not 1.
@saturdaydominic6039
2 жыл бұрын
Sin @= 1/2
@jamaalakhtar1928
6 жыл бұрын
My brudda🤝🤝🤝
@adambaseball3000
7 жыл бұрын
have you made any money off monetizing your account? I'm thinking of making my own versions of trig tutorials. I really like the way you make this stuff seem much less intimidating, now when I look at functions and identities I see something more a long the lines or 2 + 3 and not something that was in the movie "A Beautiful Mind" ;)... keep saving the planet one kid at a time sir
@SniperReady
12 жыл бұрын
You're asking how trigonometry is relevant in the real world? You realize trigonometry is the basis for construction, engineering and navigation, right? Here's an article in case you need Patrick here to explain it to you: libguides.unitec.ac.nz/content.php?pid=227568&sid=2398295
@ultimatedarkknight3927
9 жыл бұрын
good video very helpful : ]
@mofyaelias9493
5 жыл бұрын
Nice...
@justinholcomb5035
11 жыл бұрын
YOU'RE A WIZARD, AREN'T YOU?
@missllave
10 жыл бұрын
Wow...This is so long...Daaaamn...
@ritchie376
8 жыл бұрын
thats what she said...
@BobBob-uv9fq
Жыл бұрын
Really easy ,but when someone shows me
@adamczartoryjski6364
4 жыл бұрын
Pretty sure the first example was wrong
@redsoldier123
13 жыл бұрын
i love u
@CynnickelEnt
8 жыл бұрын
put that into the calculator and didn't get 4
@princessrose1179
7 жыл бұрын
walahi in this math is very difficult
@silenceyottah2912
3 жыл бұрын
In God
@chrisyasividocorp
11 жыл бұрын
thank you for saving my ass!
@Katsumi590
3 жыл бұрын
Bruh what?
@DaBlackGermanTV
12 жыл бұрын
:/ huh!
@MrRckstdy77
7 жыл бұрын
Doe this guy ever have to stop and think about any of this stuff? I guess not.
@patrickjmt
7 жыл бұрын
i don't understand whatever point it is that you are trying to get across.
@ImOrientalFlavored
7 жыл бұрын
He's implying that you're so well experienced in math that you solve math problems intuitively. Unlike some others who would get stuck just trying to find the first step. I don't think he was trolling so I wanted to clear up the misunderstanding.
@barbeeprinces1921
6 жыл бұрын
So low voice
@ChefDynamic
12 жыл бұрын
unhelpful high school teacher: always use pencil in math! me: bitch please, patrickJMT uses sharpie
@josiahsills511
6 жыл бұрын
systemsteven I know you wrote this 6 years ago, but it was so unfunny I thought I’d avert your attention to how unfunny it really was, also he uses sharpie on his white board, not paper
Пікірлер: 144