${\sin ^{ - 1}}\frac{4}{5} + 2{\tan ^{ - 1}}\frac{1}{3} = $

  • A
    $\frac{\pi }{2}$
  • B
    $\frac{\pi }{3}$
  • C
    $\frac{\pi }{4}$
  • D
    इनमें से कोई नहीं

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Similar Questions

$\begin{aligned} & 2 \sin ^{-1} x+\sin ^{-1}\left(2 x \sqrt{1-x^2}\right)+3 \cos ^{-1} x \\ & -\cos ^{-1}\left(4 x^3-3 x\right) \text{का मान ज्ञात कीजिए।}\end{aligned}$

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

$\tan ^{-1}(1)+\cos ^{-1}\left(-\frac{1}{2}\right)+\sin ^{-1}\left(-\frac{1}{2}\right)$ का मान ज्ञात कीजिए।

यदि $y = \tan^{-1}(\sec x^3 - \tan x^3)$ और $\frac{\pi}{2} < x^3 < \frac{3\pi}{2}$ है,तो:

यदि $x$ एक गैर-धनात्मक स्वीकार्य मान लेता है,तो $\sin^{-1} x =$

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