SOLUTION: Find all solutions to the equation. 7 sin^2(x) - 14 sin x + 2 = -5
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Question 772164
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Find all solutions to the equation.
7 sin^2(x) - 14 sin x + 2 = -5
Answer by
lwsshak3(11628)
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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