Question 1012571
3-3sinx-2cos^2x=0
3-3sinx-2 2sin^2x=0
2sin^2x-3sinx 1=0
2sinx(sinx-1)-(sinx-1)=0
(sinx-1)(2sinx-1)=0
sinx=1,sinx=1/2
x=90 or 30