If sin x cos x + sin 2x = 1, what are the values of x?

 If sin x cos x + sin 2x = 1, what are the values of x?

A). 20.90°, 69.1°

B). -20.67°, 69.3°

C). 32.2°, 69.3°

D). -32.2°, 69.3°

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