$\operatorname{cosec}\left[2 \cot ^{-1}(5)+\cos ^{-1}\left(\frac{4}{5}\right)\right]$ ની કિંમત ..... છે.

  • A
    $\frac{56}{33}$
  • B
    $\frac{65}{56}$
  • C
    $\frac{65}{33}$
  • D
    $\frac{75}{56}$

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Similar Questions

$\tan ^{-1} 2 + \tan ^{-1} 3 = $

જો $\cos^{-1} x = \alpha$ $(0 < x < 1)$ અને $\sin^{-1} (2 x \sqrt{1 - x^2}) + \sec^{-1} (\frac{1}{2 x^2 - 1}) = \frac{2 \pi}{3}$ હોય,તો $\alpha$ ની કિંમત શોધો.

જો $y=\tan ^{-1}\left(\frac{3 x-x^3}{1-3 x^2}\right)+\tan ^{-1}\left(\frac{4 x-4 x^3}{1-6 x^2+x^4}\right)$ હોય, તો $\frac{d y}{d x}$ ની કિંમત શું થાય?

ત્રિકોણમિતીય સમીકરણ $\sin ^{-1} x = 2 \sin ^{-1} 2a$ નો વાસ્તવિક ઉકેલ મળે, જો

સમીકરણ $\tan ^{-1}(1+x)+\tan ^{-1}(1-x)=\frac{\pi}{2}$ નો ઉકેલ શોધો.

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