SOLUTION: Please Help with this question Solve 2sin^2x=1 Thanks

Algebra ->  Trigonometry-basics -> SOLUTION: Please Help with this question Solve 2sin^2x=1 Thanks      Log On


   

Question 959150: Please Help with this question
Solve 2sin^2x=1
Thanks
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
2sin%5E2%28x%29=1
sin%5E2%28x%29=1%2F2
sin%28x%29=%2Bsqrt%281%2F2%29 or -sqrt%281%2F2%29
x=arcsin%28sqrt%281%2F2%29%29 or arcsin%28-sqrt%281%2F2%29%29
.
x=45 degrees or 135 degrees or x=225 degrees or 315 degrees
.
ANSWER: x=45,135,225, or 315 degrees