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

  • A
    $-\frac{\pi}{2} \leq y \leq \frac{\pi}{2}$
  • B
    $0 \leq y \leq \pi$
  • C
    $0 < y < \pi$
  • D
    $-\frac{\pi}{2} < y < \frac{\pi}{2}$

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यदि $x < 1$ के लिए $f(x) = \frac{\sqrt{\operatorname{Cos}^{-1} x}}{\sqrt{2(1-x)}}$ है,तो $\lim_{x \rightarrow 1^{-}} f(x) =$

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${\left[ {\sin \left( {{{\tan }^{ - 1}}\frac{3}{4}} \right)} \right]^2} = $

यदि प्रतिलोम त्रिकोणमितीय फलन मुख्य मान लेते हैं,तो $\cos ^{-1}\left(\frac{3}{10} \cos \left(\tan ^{-1}\left(\frac{4}{3}\right)\right)+\frac{2}{5} \sin \left(\tan ^{-1}\left(\frac{4}{3}\right)\right)\right)$ का मान ज्ञात कीजिए।

मान ज्ञात कीजिए: $\sec^2(\tan^{-1} 2) + \csc^2(\cot^{-1} 3)$

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