Prove that :cos−1(1312)+sin−1(53)=sin−1(6556).

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Prove that : ^{-1}({12}{13})+^{-1}({3}{5})=^{-1}({56}{65}).

Question

Prove that :
$cos^{- 1} (\frac{12}{13}) + sin^{- 1} (\frac{3}{5}) = sin^{- 1} (\frac{56}{65})$ .

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Prove that :

cos^{- 1} (\frac{12}{13}) + sin^{- 1} (\frac{3}{5}) = sin^{- 1} (\frac{56}{65})

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Question Text

Prove that :

cos^{- 1} (\frac{12}{13}) + sin^{- 1} (\frac{3}{5}) = sin^{- 1} (\frac{56}{65})