यदि $\sin ^{-1} a=\alpha+\beta$ और $\sin ^{-1} b=\alpha-\beta$ है,तो $\sin ^2 \alpha+\cos ^2 \beta=$ . . . . . . .

  • A
    $a b-1$
  • B
    $1-a b$
  • C
    $1+a b$
  • D
    $a b$

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Similar Questions

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

यदि $\cos ^{-1} \sqrt{p}+\cos ^{-1} \sqrt{1-p}+\cos ^{-1} \sqrt{1-q}=\frac{3 \pi}{4}$ है,तो $q$ का मान ज्ञात कीजिए।

मान ज्ञात कीजिए: $\tan^{-1} \left( \frac{a - b}{1 + ab} \right) + \tan^{-1} \left( \frac{b - c}{1 + bc} \right)$

$(\tan ^{-1} x)^2+(\cot ^{-1} x)^2=\frac{5 \pi^2}{8} \Rightarrow x=$

यदि $0 < x < \frac{1}{2}$ के लिए $y = 2\sin^{-1} \sqrt{1-x} + \sin^{-1} (2\sqrt{x(1-x)})$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

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