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How do you find the exact value of ${sin}^{- 1} (- 1)$ $sin^-1 (-1)$ ?

1 Answer

Aug 5, 2016

$= - 90$ $=-90$

Explanation:

${sin}^{- 1} (- 1)$ $sin^-1(-1)$
$= - 90$ $=-90$

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