The value of $\cos \left( {{{\sin }^{ - 1}}x + {{\cos }^{ - 1}}x} \right)$, where $|x| \le 1$, is…………..
The value of $\cos \left( {{{\sin }^{ - 1}}x + {{\cos }^{ - 1}}x} \right)$, where $|x| \le 1$, is…………..
Official Solution
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$\cos \left( {{{\sin }^{ - 1}}x + {{\cos }^{ - 1}}x} \right)$
$= \cos \frac{\pi }{2} = 0$
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