SOLUTION: 3sin^2x-sinx-2

Algebra.Com
Question 617354: 3sin^2x-sinx-2
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
3sin^2x-sinx-2 = 0
----
Factor:
3sin^2 - 3sin + 2sin - 2 = 0
---
3sin(sin-1)+ 2(sin-1) = 0
------
(sin(x)-1)(3sin(x) + 2) = 0
sin(x) = 1 or sin(x) -2/3
x = 90 degrees or x = -41.81 degrees or +221.81 degrees

RELATED QUESTIONS

3sin^2x-sinx-2 (answered by scott8148,stanbon)
3-cosx=3sin^2x... (answered by stanbon)
y=-3sin... (answered by drj)
Please simplify this: 1-cos^2x/1+sinx and... (answered by MathLover1)
6sin^2x - sinx - 2 =... (answered by AnlytcPhil)
(1+sinx)^2 + cos^2x (answered by solver91311)
Exact values. 2-2 cos^2x=-3sin... (answered by Edwin McCravy)
sinx*cos^2x=sinx (answered by jsmallt9)
3sin(3x+3.14/2) (answered by fractalier)