Cos 2x 5 sinx 3. 2sin2x+3sinx-2 0. sin2x+3sinx+3cosx 3/4. sin 2/5. 5sin2x-2sinx=0.

Cos 2x 5 sinx 3. 2sin2x+3sinx-2 0. sin2x+3sinx+3cosx 3/4. sin 2/5. 5sin2x-2sinx=0.
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