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The function  \mathrm{h(x)=\sin ^{-1} x-\cos ^{-1} \sqrt{1-x^2} } in its entire domain is 

Option: 1

an increasing function
 


Option: 2

a decreasing function
 


Option: 3

a non-increasing function
 


Option: 4

a non-decreasing function


Answers (1)

\mathrm{h(x)= \begin{cases}2 \sin ^{-1} x, & x<0 \\ 0, & x \geq 0\end{cases}}

\mathrm{\Rightarrow \mathrm{h}(\mathrm{x}) \text { is non-decreasing function. }}

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Ramraj Saini

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