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JEE MATHEMATICS MCQ: INVERSE TRIGONOMETRY

1 Easy
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Application +4 | -1
If 4sin⁡−1x+cos⁡−1x=π,    4{\sin ^{ - 1}}x + {\cos ^{ - 1}}x = \pi ,\;\; then xx is equal to
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Correct option: B
1/21/2
Option B (1/21/2) is correct because solving the given equation 4sin⁡−1x+cos⁡−1x=π4{\sin ^{ - 1}}x + {\cos ^{ - 1}}x = \pi leads to x=1/2x = 1/2.

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