# Question: Solve the following trigonometric equations in 0 2 a sin2x

Solve the following trigonometric equations in [0, 2π]

(a) sin2x + sin x = cos2 x

(b) sin2x cos x + cos2x sin x = 1

(a) sin2x + sin x = cos2 x

(b) sin2x cos x + cos2x sin x = 1

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