Evaluate : sin−1(sin53π).

sin−1(sin53π)=sin−1(sin(π−52π))=sin−1(sin(52π))=52π

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Evaluate : ^{-1} ( {3}{5} ).

Question

Evaluate : $sin^{- 1} (sin \frac{3 π}{5})$ .

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Eleanor Discussed

Evaluate :

sin^{- 1} (sin \frac{3 π}{5})

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12 mins ago

sin^{- 1} (sin \frac{3 π}{5})

= sin^{- 1} (sin (π - \frac{2 π}{5}))

= sin^{- 1} (sin (\frac{2 π}{5}))

= \frac{2 π}{5}

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