यदि $\tan A + \sin A = m$ और $\tan A - \sin A = n$ है,तो $\frac{(m^2 - n^2)^2}{mn} = $

  • A
    $4$
  • B
    $3$
  • C
    $16$
  • D
    $9$

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$2(\sin^6 \theta + \cos^6 \theta) - 3(\sin^4 \theta + \cos^4 \theta) + 1$ का मान ज्ञात कीजिए।

$\theta$ के सभी अनुमेय मानों के लिए $\frac{\sin^2 \theta}{\sin \theta - \cos \theta} - \frac{\sin \theta + \cos \theta}{\tan^2 \theta - 1}$ का मान है:

यदि $\sin^2 \theta = \frac{x^2 + y^2 + 1}{2x}$ है,तो $x$ का मान क्या होना चाहिए?

$\sin 12^\circ \sin 24^\circ \sin 48^\circ \sin 84^\circ = $

यदि $\cos (A - B) = \frac{3}{5}$ और $\tan A \tan B = 2$ है,तो

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