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

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

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Question 772164: Find all solutions to the equation.
7 sin^2(x) - 14 sin x + 2 = -5
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find all solutions to the equation.
7 sin^2(x) - 14 sin x + 2 = -5
7sin^2(x)-14 sin x+7 =0
sin^2(x)-2sin x+1 =0
(sinx-1)(sinx-1)=0
sinx=1
x=π/2+2pi*k, k=integer
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