Prove that ^ -1 63 65 +2 ^ -1 1 5 = ^ -1 3 5 . - Vidyadip

Question

Prove that $\cos ^{-1} \frac{63}{65}+2 \tan ^{-1} \frac{1}{5}=\sin ^{-1} \frac{3}{5}$.

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Answer

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