Решите уравнение!!!
Cos2x+3sinx=2

cos2x=1-2sin²x1-2sin²x+3sinx=22sin²x-3sinx+1=02t²-3t+1=0t1=1/2t2=1sinx=1/2x=π/6+2πkx=5π/6+2πksinx=1x=π/2+2πk