vivek2001
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Prove that:[anyone genius there?]
[tex]sin^-^1 \frac{1}{2} +2cot^-^1 \frac{1}{ \sqrt{3} } = \frac{5}{6} \pi [/tex]

Answer :

kvnmurty
[tex]Sin^{-1}\frac{1}{2}+2\ Cot^{-1}\frac{1}{\sqrt{3}}\\\\=\frac{\pi}{6}+2*tan^{-1}\sqrt{3}\\\\=\frac{\pi}{6}+2*\frac{\pi}{3}\\\\=\frac{5}{6}\pi[/tex]

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