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Find the principal value of the following :\(\cos^{-1}\frac{1}{2}+2\sin^{-1}\frac{1}{2}\) |
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Answer» Putting the values of the inverse trigonometric terms \(\frac{\pi}{3}+2\times \frac{\pi}{6}\) \(=\frac{\pi}{3}+\frac{\pi}{3}\) \(=\frac{2\pi}{3}\) |
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