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Find the value of \( \cos^{-1} \bigg( \frac{1}{2} \bigg) + 2 \sin^{-1} \bigg(\large \frac{1}{2} \bigg) \)

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Ans:\[\frac{\pi}{3}+\frac{2\pi}{6}=\frac{2\pi}{3}\]
answered Feb 16, 2013 by rvidyagovindarajan_1
 

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