यदि $\sin x - \sin y = \frac{1}{2}$ और $\cos x - \cos y = 1$ है,तो $\tan(x + y)$ का मान ज्ञात कीजिए।

  • A
    $\frac{3}{8}$
  • B
    $-\frac{3}{8}$
  • C
    $\frac{4}{3}$
  • D
    $-\frac{4}{3}$

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यदि $2\cos^2 \theta - 2\sin^2 \theta = 1$ है,तो $\theta = \dots ^\circ$.

यदि $\csc \theta = \frac{p + q}{p - q}$ $(p \neq q \neq 0)$ है,तो $\left| \cot \left( \frac{\pi}{4} + \frac{\theta}{2} \right) \right|$ का मान ज्ञात कीजिए।

$\frac{\sin \theta + \sin 2\theta}{1 + \cos \theta + \cos 2\theta} = $

$\tan \frac{\pi}{8}$ का मान किसके बराबर है?

$\tan \frac{\pi}{8}$ का मान क्या है?

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