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JEE MATHEMATICS MCQ: INVERSE TRIGONOMETRY

1 Easy
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Application +4 | -1
The value of xx for which sin⁡[cot⁡−1(1+x)]=cos⁡(tan⁡−1x)\sin \left[ {{{\cot }^{ - 1}}\left( {1 + x} \right)} \right] = \cos \left( {{{\tan }^{ - 1}}x} \right) is
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Correct option: D
−12- \frac{1}{2}
Option D (-1/2) is correct because it is the solution obtained by simplifying the given equation using trigonometric identities and solving for x.

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