5.0.29 Given that cos determine the exact value cos x. cos x=0 (Simplify your answer. Type...

Question

Question

Answer 1

Answer #1

solution : Goven, cos2x = 2 < I <x<t , cos2x = 2cosex- 2005²x- 1 - s²x = 2 3 + 1 = 1 + 2 3+2 2 cos²x = 2 cos2x = cos²x = 5 co

Answer 2

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