SOLUTION: Use identities to rewrite the equation sin 2x = cos x using only cos x (and numbers). Then find all solutions to the equation. Thanks

SOLUTION: Use identities to rewrite the equation sin 2x = cos x using only cos x (and numbers). Then find all solutions to the equation. Thanks

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Question 925266: Use identities to rewrite the equation sin 2x = cos x using only cos x (and numbers). Then find all
solutions to the equation.
Thanks
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
sin 2x = 2sin x cos x
2sin x cos x = cos x
2sin x = 1
sin x = 1/2
(cosx, sinx) Summary Unit Circle

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