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a golden value of cosine.
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Classroom Contents
Trigonometric Identities
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- 1 An interesting trigonometry problem -- featuring roots of unity.
- 2 A classic trig identity! Featuring Chebyshev polynomials.
- 3 The trig functions you have never heard of!!
- 4 A famous trig equation.
- 5 a golden value of cosine.
- 6 A nice complex trigonometric identity.
- 7 a complex approach to a basic identity.
- 8 the craziest trig simplification I have ever seen!!
