Teaching NVS PGT 2024 Test Series Mathematics Trigonometry Inverse Trigonometric Functions

If \({\sin ^{ - 1}}\left( {1 - x} \right) + 2{\sin ^{ - 1}}(2x) + {\cos ^{ - 1}}(2x) = \frac{\pi }{2}\), the value of x is:

1
1
2
-1
3
None of these
4
2
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