Question

Find all solutions to the equation. 7 sin^2x - 14 sin x + 2 = -5

Answer 1

7 sin^2(x)-14sin(x)-7=0 , devide by seven
sin^2(x)-2sin(x)+1=0
(sin(x)-1)^2=0 sin(x)=1
then x=pi/2 + 2n pi

Answer 2

That's all you have to do?

Answer 3

lol yes that's all, I am afraid you liked doing that :P