This part 1 of 2 videos on proving identities. There are a few strategies to keep in mind when proving trigonometric identities. They are:
1. Write expressions in terms of sine and cosine.
2. Use the basic reciprocal, quotient, and pythagorean identities.
3. Add or subtract rational expressions.
4. Factor where possible.
Негізгі бет Proving Trigonometric Identities Part I
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