inv-trig

Question: $\sin [{{\cot }^{-1}}(\cos {{\tan }^{-1}}x)]$=

1) $\frac{x}{\sqrt{{{x}^{2}}+2}}$

2) $\frac{x}{\sqrt{{{x}^{2}}+1}}$

3) $\frac{1}{\sqrt{{{x}^{2}}+2}}$

4) $\sqrt{\frac{{{x}^{2}}+1}{{{x}^{2}}+2}}$

Solution:

Explanation: No Explanation

Inverse trigonometric functions

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