SOLUTION: 4cos^2-4 sin(π/2+x)-3=0 ; −π ≤ x ≤ π

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Question 1184418: 4cos^2-4 sin(π/2+x)-3=0 ; −π ≤ x ≤ π
Answer by ikleyn(52946) About Me  (Show Source):
You can put this solution on YOUR website!
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What is written in this post, MAKES no SENSE.