$\operatorname{Tan}^{-1} \left( \frac{\sqrt{8-2 \sqrt{15}}}{\sqrt{15}+1} \right) + \operatorname{Tan}^{-1} \left( \frac{1}{\sqrt{5}} \right) =$

  • A
    $\frac{\pi}{6}$
  • B
    $\frac{\pi}{4}$
  • C
    $\frac{\pi}{3}$
  • D
    $\frac{\pi}{2}$

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Similar Questions

$\sin \left(2 \sin ^{-1} \sqrt{\frac{63}{65}}\right)$ ની કિંમત શોધો.

$x$ ના મૂલ્યોનો ગણ શોધો જેથી $\tan ^{-1}\left(\frac{x}{x-2}\right)-\tan ^{-1}\left(\frac{x}{2 x-1}\right)=\tan ^{-1}\left(\frac{2}{3}\right)$ થાય.

$\cos ^{-1}\left(2 x^{2}-1\right)$ નું $\cos ^{-1} x$ ની સાપેક્ષમાં વિકલન શું થાય?

જો $\sin ^{-1} x+\sin ^{-1} y+\sin ^{-1} z=\frac{3 \pi}{2}$ હોય, તો $x^{9}+y^{9}+z^{9}-\frac{1}{x^{9} y^{9} z^{9}}$ ની કિંમત કેટલી થાય?

ધારો કે $f(x) = \cos^{-1}\left(\frac{2x}{1+x^2}\right) + \sin^{-1}\left(\frac{1-x^2}{1+x^2}\right)$,તો $f(1) + f(2)$ ની કિંમત શોધો.

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