Teaching UP TGT Mock Test Series 2025 Mathematics Trigonometry Inverse Trigonometric Functions

If x takes a non-positive permissible value, then sin-1 x will be-

1
cos-1 \(\sqrt {1 - {x^2}} \)
2
\(- {\cos ^{ - 1}}\sqrt {1 - {x^2}}\)
3
\({\cos ^{ - 1}}\sqrt {{x^2} - 1}\)
4
\(\pi - {\cos ^{ - 1}}\sqrt {1 - {x^2}}\)
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