જો $\sin ^{-1} a=\alpha+\beta$ અને $\sin ^{-1} b=\alpha-\beta$ હોય,તો $\sin ^2 \alpha+\cos ^2 \beta=$ . . . . . . .

  • A
    $a b-1$
  • B
    $1-a b$
  • C
    $1+a b$
  • D
    $a b$

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Similar Questions

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

જો $y = \tan^{-1} \left( \frac{x^{1/3} + a^{1/3}}{1 - x^{1/3}a^{1/3}} \right)$ હોય,તો $\frac{dy}{dx} = $

જો $\cos^{-1}\left(\frac{2}{3x}\right) + \cos^{-1}\left(\frac{3}{4x}\right) = \frac{\pi}{2}$ અને $x > \frac{3}{4}$ હોય,તો $x$ ની કિંમત શોધો.

જો $3 \sin ^{-1}\left(\frac{2 x}{1+x^2}\right)-4 \cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right)+2 \tan ^{-1}\left(\frac{2 x}{1-x^2}\right)=\frac{\pi}{3}$ હોય,તો $x$ ની કિંમત શોધો.

જો $x>0, y>0, z>0, xy+yz+zx < 1$ અને જો $\tan^{-1} x + \tan^{-1} y + \tan^{-1} z = \pi$ હોય, તો $x+y+z$ ની કિંમત શું થાય?

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