Solving trigonometric equations that require algebraic techniques. a) 2cos2 x + 3 cos x=2   All solutions:________________ solutions [0, 2pi) b) 2sin2x= sin x   All solutions:_____________ Solutions[0,2pi)_______

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter7: Analytic Trigonometry
Section7.5: More Trigonometric Equations
Problem 4E: 3-16 Solving trigonometric equations by using identities. Solve the given equation. sin2=42cos2
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1. Solving trigonometric equations that require algebraic techniques.

a) 2cos2 x + 3 cos x=2   All solutions:________________ solutions [0, 2pi)

b) 2sin2x= sin x   All solutions:_____________ Solutions[0,2pi)_______

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