Question

cos^2 x+3sinx-2=0

Answer 1

cos^2 x + 3sinx - 2 = 0
=> 1 - sin^2 x + 3sinx - 2 = 0
=> - sin^2 x + 3sinx - 1 = 0
=> sin^2 x - 3sinx + 1= 0
hmm... this cant be factored
are you sure there is not typo above ?????