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Find the principal value of each of the following :\(\sin^{-1}\left(\frac{-1}{2}\right)\) |
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Answer» \(\sin^{-1}\left(\frac{-1}{2}\right)\)\(=-\sin^{-1}\left(\frac{1}{2}\right)\) [Formula: sin -1(-x) = sin -1(x) ] \(=-\frac{\pi}{6}\) |
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