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

  • A
    $x+y+z-3=0$
  • B
    $x+y+z+3=0$
  • C
    $x+2 y+3 z-5=0$
  • D
    $x-y-z=0$

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Similar Questions

જો $y = \sin^{-1}(2x\sqrt{1-x^2})$ હોય અને $-\frac{1}{\sqrt{2}} < x < \frac{1}{\sqrt{2}}$ હોય,તો $\frac{dy}{dx}$ શોધો.

કિંમત શોધો: $\cos(\cos^{-1}(-\frac{1}{2}) + \frac{\pi}{3}) = $

જો ત્રિકોણ $ABC$ માં,$A = \tan^{-1} 2$ અને $B = \tan^{-1} 3$ હોય,તો ખૂણો $C$ કેટલો થાય?

શ્રેણીનો સરવાળો શોધો: $\tan^{-1} \left( \frac{1}{1 + 1 \times 2} \right) + \tan^{-1} \left( \frac{1}{1 + 2 \times 3} \right) + \dots + \tan^{-1} \left( \frac{1}{1 + n(n + 1)} \right) =$

$\tan ^{-1}\left[\frac{1}{\sqrt{3}} \sin \frac{5 \pi}{2}\right] + \sin ^{-1}\left[\cos \left(\sin ^{-1} \frac{\sqrt{3}}{2}\right)\right]$ ની કિંમત શોધો.

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