$2 \tan^{-1} \frac{1}{2} + \tan^{-1} \frac{1}{7}$ ની કિંમત શોધો.

  • A
    $\tan^{-1} \left( \frac{17}{31} \right)$
  • B
    $\tan^{-1} \left( \frac{19}{31} \right)$
  • C
    $\tan^{-1} \left( \frac{31}{17} \right)$
  • D
    $\tan^{-1} \left( \frac{31}{19} \right)$

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Similar Questions

શ્રેણી $\tan^{-1}\left(\frac{1}{3}\right) + \tan^{-1}\left(\frac{2}{9}\right) + \dots + \tan^{-1}\left(\frac{2^{n-1}}{1+2^{2n-1}}\right) + \dots$ ના અનંત પદોનો સરવાળો શોધો.

જો $\sin \left(\sin ^{-1} \frac{1}{5}+\cos ^{-1} x\right)=1$ હોય,તો $x$ ની કિંમત શોધો.

$\cos \left(\sin ^{-1} \frac{1}{5}+\cos ^{-1} x\right)=0$ હોય,તો $x=$ . . . . . . .

જો $\cos^{-1} x - \cos^{-1} \frac{y}{2} = \alpha$ હોય,તો $4x^2 - 4xy \cos \alpha + y^2$ ની કિંમત શોધો.

$x$ ની કઈ કિંમત માટે $\sin \left(\cot ^{-1}(x)\right)=\cos \left(\tan ^{-1}(1+x)\right)$ થાય?

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