SOLUTION: 2sin x^2=sin x+3

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Question 363136: 2sin x^2=sin x+3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let u=sin%28x%29
2u%5E2=u%2B3
2u%5E2-u-3=0
%282u-3%29%28u%2B1%29=0
Two solutions:
2u-3=0
2u=3
u=3%2F2
sin%28x%29=3%2F2
No solution.
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.
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u%2B1=0
u=-1
sin%28x%29=-1
highlight%28x=pi%29