2sin2x-sin^2 x=cos^2 x

Question

2sin2x-sin^2 x=cos^2 x

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Answer 1

2sin2x-sin^2x=cos^2x

2sin2x=cos^2x+sin^2x

2sin2x=1

sin2x=1/2

2x=(-1)^n*п/6+пn

x=(-1)^n*п/12+пn