$\sin ^{-1}\left(\frac{1}{2}\right)+\cos ^{-1}\left(\frac{\sqrt{3}}{2}\right)+\cot ^{-1}\left(-\frac{1}{\sqrt{3}}\right)=$

  • A
    $\frac{2 \pi}{3}$
  • B
    $\pi$
  • C
    $\frac{\pi}{6}$
  • D
    $\frac{\pi}{3}$

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समीकरण $\sin^{-1} 2x = \cos^{-1} x$ के सभी हलों का योग ज्ञात कीजिए।

Difficult
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यदि $f(x) = \sin^{-1}(\sin x)$; $x \in R$ है,तो $f$ है

$\frac{\tan ^{-1}(\sqrt{3})-\sec ^{-1}(-2)}{\operatorname{cosec}^{-1}(-\sqrt{2})+\cos ^{-1}\left(-\frac{1}{2}\right)}=$

$\tan ^{-1}(-\sqrt{3})-\sec ^{-1}(-2)=$ . . . . . . .

$x$ का वह मान जिसके लिए $\sin(\cot^{-1}(1 + x)) = \cos(\tan^{-1}x)$ है,वह है

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