यदि $\tan \theta = \frac{\cos 15^{\circ} + \sin 15^{\circ}}{\cos 15^{\circ} - \sin 15^{\circ}}$ है,तो $\theta =$

  • A
    $\frac{\pi}{4}$
  • B
    $\frac{\pi}{3}$
  • C
    $\frac{\pi}{6}$
  • D
    $\frac{\pi}{2}$

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Similar Questions

$E = \frac{25 \sec^4 x - 50 \sec^2 x + 74}{\tan^2 x}$ का न्यूनतम मान क्या है?

${\tan ^2}\theta + {\cot ^2}\theta$ का मान क्या है?

यदि $\frac{\cos x}{a} = \frac{\cos (x + \theta)}{b} = \frac{\cos (x + 2\theta)}{c} = \frac{\cos (x + 3\theta)}{d}$ है,तो $\left( \frac{a + c}{b + d} \right)$ का मान क्या होगा :-

$\log \sin 1^{\circ} \cdot \log \sin 2^{\circ} \cdot \log \sin 3^{\circ} \cdot \ldots \cdot \log \sin 179^{\circ} = ?$

यदि $A = \sin 45^{\circ} + \cos 45^{\circ}$ और $B = \sin 44^{\circ} + \cos 44^{\circ}$ है,तो

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