यदि $\sin \theta \cosh \alpha = \tan x$ और $\cos \theta \sinh \alpha = \sec x$ है,तो $\cos 2 \theta \cosh 2 \alpha$ का मान ज्ञात कीजिए।

  • A
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $4$

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यदि $0 < \theta < \frac{\pi}{2}$ और $\tan 3 \theta \neq 0$ है, तो $\tan \theta + \tan 2 \theta + \tan 3 \theta = 0$ होगा यदि $\tan \theta \cdot \tan 2 \theta = k$, जहाँ $k =$

यदि $|\sin \alpha - \cos \alpha| = \frac{3}{4}$ है,तो $|\sec 2\alpha - \tan 2\alpha| = $

$\log _{10} \tan 1^{\circ} + \log _{10} \tan 2^{\circ} + \dots + \log _{10} \tan 89^{\circ}$ का मान :-

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व्यंजक $(1 + \tan x + \tan^2 x)(1 - \cot x + \cot^2 x)$ का मान $x$ के किन मानों के लिए धनात्मक है?

यदि $\theta$ एक न्यून कोण है,$\cosh x = K$ और $\sinh x = \tan \theta$,तो $\sin \theta =$

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