$\tan^{-1} \left[ \frac{\sqrt{2}}{\sqrt{3}} \cos \left( 5 \sin^{-1} \frac{1}{\sqrt{2}} \right) \right] = \dots$

  • A
    $-\pi/3$
  • B
    $\pi/3$
  • C
    $-\pi/6$
  • D
    $\pi/6$

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$\tan ^{-1} \sqrt{3} - \sec ^{-1}(-2)$ का मान ज्ञात कीजिए।

$\sin (\cot ^{ - 1}x) = $

यदि $\cos^{-1} x = y$ है,तो $\dots \dots \dots$

एक फलन $f: [-1, 1] \to R$ पर विचार करें जहाँ $f(x) = \alpha_1 \sin^{-1} x + \alpha_3 (\sin^{-1} x)^3 + \dots + \alpha_{2n+1} (\sin^{-1} x)^{2n+1} - \cot^{-1} x$,जहाँ $\alpha_i$ धनात्मक स्थिरांक हैं और $n \in N < 100$ है,तो $f(x)$ है:

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

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