જો $\sin^{-1} x + \sin^{-1} y = \pi/2$ હોય, તો $x^2$ કોના બરાબર છે?

  • A
    $1 - y^2$
  • B
    $1 + y^2$
  • C
    $\sqrt{1 - y^2}$
  • D
    $\sqrt{1 + y^2}$

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$4 \tan^{-1} \frac{1}{5} - \tan^{-1} \frac{1}{70} + \tan^{-1} \frac{1}{99} = $

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

જો $3 \cos ^{-1} x + \sin ^{-1} x = \pi$ હોય,તો $x = $ . . . . . . .

સમીકરણ $\sin \left[ \cot^{-1} (1 + x) \right] = \cos \left[ \tan^{-1} x \right]$ નું સમાધાન કરતું $x$ નું મૂલ્ય શોધો.

$x=\frac{1}{5}$ હોય ત્યારે $\cos \left(2 \cos ^{-1} x+\sin ^{-1} x\right)$ ની કિંમત શોધો,જ્યાં $0 \leq \cos ^{-1} x \leq \pi$ અને $-\frac{\pi}{2} \leq \sin ^{-1} x \leq \frac{\pi}{2}$ છે.

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