4. Find all solutions of sin x+ 2sin x cos x-0 if 0sxS2.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 44E
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4. Find all solutions of sin x+ 2sin
O if 0sxs2x.
5. Find all solutions of 2 cos x-cos x-1=0 if 0s xS 2n .
6. Use a calculator to find all solutions of 2 cos? 0+3 cos0-1=0, 0° <0<360° .
Transcribed Image Text:4. Find all solutions of sin x+ 2sin O if 0sxs2x. 5. Find all solutions of 2 cos x-cos x-1=0 if 0s xS 2n . 6. Use a calculator to find all solutions of 2 cos? 0+3 cos0-1=0, 0° <0<360° .
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