SOLUTION: 2*sin^2(x)+3*sin(x)+1=0

Algebra ->  Trigonometry-basics -> SOLUTION: 2*sin^2(x)+3*sin(x)+1=0      Log On


   

Question 817265: 2*sin^2(x)+3*sin(x)+1=0
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

2*sin^2(x)+3*sin(x)+1=0

(2sin(x)+1)(sin(x) + 1) = 0

(2sin(x)+1) = 0 , sin(x) = -1/2

(sin(x) + 1) = 0, sin(x) = -1 

See(cos(x), sin(x)) reference below: