Teaching AWES Army Public School TGT Mock Test 2024 Mathematics Statistics

\(\frac{d}{d x}\left(\cos ^{-1} x\right)=?\)

1
\(\frac{1}{\sqrt[2]{1-x^2}}\)
2
\(\sqrt{1-x^2}\)
3
\(\frac{-1}{\sqrt{1-x^2}}\)
4
None
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