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

If \(cos^{-1}⁡x=y\), then which of the following is correct?(a) 0 �

1.	If \(cos^{-1}⁡x=y\), then which of the following is correct?(a) 0 ≤ y ≤ π(b) 0 < y < π(c) –\(\frac{π}{2}≤y≤\frac{π}{2}\)(d) –\(\frac{π}{2}
Answer» Correct choice is (a) 0 ≤ y ≤ π To elaborate: Given that, \(cos^{-1}⁡x=y\) The RANGE of PRINCIPLE values for the inverse trigonometric function \(cos^{-1}\) is [0,π]. Hence, 0≤y≤π.

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

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