$\tan \frac{1}{2} \left[ \sin^{-1} \frac{2x}{1+x^2} + \cos^{-1} \frac{1-y^2}{1+y^2} \right]$ ની કિંમત શોધો,જ્યાં $|x | < 1, y>0$ અને $xy < 1$ છે.

  • A
    $\frac{x+y}{1+xy}$
  • B
    $\frac{x-y}{1+xy}$
  • C
    $\frac{x-y}{1-xy}$
  • D
    $\frac{x+y}{1-xy}$

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Similar Questions

$\sin^{-1} x + \cos^{-1} x$ ની કિંમત શું થાય?

$\sum_{i=0}^2 \cot ^{-1}\{-(i+1)\}=$ . . . . . . .

જો $\cos ^{-1} x+\cos ^{-1} y+\cos ^{-1} z=\pi$ અને $x^2+y^2+z^2+k x y z=1$ હોય,તો $k$ ની કિંમત શોધો.

જો $\sin^{-1} x + \cos^{-1} y = \frac{2\pi}{5}$ હોય,તો $\cos^{-1} x + \sin^{-1} y$ ની કિંમત શું થાય?

જો $4 \sin ^{-1} x + \cos ^{-1} x = \pi$ હોય,તો $x = $

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