यदि $\operatorname{Sinh}^{-1} x = \operatorname{Cosh}^{-1} y = \log(1+\sqrt{2})$ है, तो $\operatorname{Tan}^{-1}(x+y) = $

  • A
    $67 \frac{1}{2}^{\circ}$
  • B
    $75^{\circ}$
  • C
    $22 \frac{1}{2}^{\circ}$
  • D
    $15^{\circ}$

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Similar Questions

$\frac{\sin 1^{\circ}+\sin 2^{\circ}+\ldots+\sin 89^{\circ}}{2(\cos 1^{\circ}+\cos 2^{\circ}+\ldots+\cos 44^{\circ})+1} = $

$\cos \frac{2\pi}{28} \csc \frac{3\pi}{28} + \cos \frac{6\pi}{28} \csc \frac{9\pi}{28} + \cos \frac{18\pi}{28} \csc \frac{27\pi}{28}$ का सटीक मान क्या है?

मान लीजिए $\alpha, \beta$ दो वास्तविक संख्याएँ हैं जैसे कि $\pi < (\alpha-\beta) < 3 \pi$। यदि $\sin \alpha+\sin \beta=\frac{-21}{65}$ और $\cos \alpha+\cos \beta=\frac{-27}{65}$ है,तो $\cos \left(\frac{\beta-\alpha}{2}\right)=$

$\sinh ^{-1} 2 + \sinh ^{-1} 3 = x \Rightarrow \cosh x$ का मान ज्ञात कीजिए।

यदि $\cos \alpha + \cos \beta = \frac{3}{2}$ और $\sin \alpha + \sin \beta = \frac{1}{2}$ है और $\theta$,$\alpha$ और $\beta$ का समांतर माध्य है,तो $\sin 2\theta + \cos 2\theta$ का मान ज्ञात कीजिए।

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