$\frac{1}{2}{\cos ^{ - 1}}\left( {\frac{{1 - x}}{{1 + x}}} \right) = $

  • A
    ${\cot ^{ - 1}}\sqrt x $
  • B
    ${\tan ^{ - 1}}\sqrt x $
  • C
    ${\tan ^{ - 1}}x$
  • D
    ${\cot ^{ - 1}}x$

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Similar Questions

સાબિત કરો કે $\cos ^{-1} \frac{4}{5} + \cos ^{-1} \frac{12}{13} = \cos ^{-1} \frac{33}{65}$

સાબિત કરો કે $3 \sin ^{-1} x = \sin ^{-1}(3 x - 4 x^{3})$,જ્યાં $x \in [-\frac{1}{2}, \frac{1}{2}]$.

જો $\cos ^{-1}\left(\frac{5}{13}\right)+\cos ^{-1}\left(\frac{3}{5}\right)=\cos ^{-1} x$ હોય, તો $x$ ની કિંમત શોધો.

જો $\sin ^{-1}\left(\frac{x}{5}\right)+\operatorname{cosec}^{-1}\left(\frac{5}{4}\right)=\frac{\pi}{2}$ હોય,તો $x$ ની કિંમત શોધો.

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