a) 0 ≤ y ≤ π
b) 0 < y < π
c) –\(\frac{π}{2}≤y≤\frac{π}{2}\)
d) –\(\frac{π}{2}<y<\frac{π}{2}\)
If \(cos^{-1}x=y\), then which of the following is correct?
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answerhappygod
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If \(cos^{-1}x=y\), then which of the following is correct?
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