SOLUTION: 2sin^2x-5sinx=-3
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Question 720867
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2sin^2x-5sinx=-3
Answer by
lwsshak3(11628)
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2sin^2x-5sinx=-3
2sin^2x-5sinx+3=0
(2sinx-3)(sinx-1)=0
2sinx-3=0
sinx=3/2 (reject, -1 ≤ sinx ≤ 1)
or
sinx-1=0
sinx=1
x=π/2