यदि $\sec \theta + \tan \theta = m$ $(m > 1)$ है,तो $\sin \theta$ का मान ज्ञात कीजिए $(0^{\circ} < \theta < 90^{\circ})$।

  • A
    $\frac{1-m^{2}}{1+m^{2}}$
  • B
    $\frac{m^{2}-1}{m^{2}+1}$
  • C
    $\frac{m^{2}+1}{m^{2}-1}$
  • D
    $\frac{1+m^{2}}{1-m^{2}}$

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यदि $\cos x + \cos^2 x = 1$ है,तो $\sin^2 x + \sin^4 x$ का मान क्या होगा?

यदि $\pi < \alpha < \frac{3\pi}{2}$ है,तो $\sqrt{\frac{1 - \cos \alpha}{1 + \cos \alpha}} + \sqrt{\frac{1 + \cos \alpha}{1 - \cos \alpha}} = $

$\frac{1}{{\tan 3A - \tan A}} - \frac{1}{{\cot 3A - \cot A}} = $

यदि $\sec \theta - \tan \theta = \frac{1}{\sqrt{3}}$ है,तो $\sec \theta \cdot \tan \theta$ का मान ज्ञात कीजिए।

समीकरण $\cot x - \cos x = 1 - \cot x \cos x$ को संतुष्ट करने वाले $x \in [0, 2\pi]$ के मानों की संख्या ज्ञात कीजिए।

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