यदि $\tan \theta + \sin \theta = a$ और $\tan \theta - \sin \theta = b$ है,तो $\cot \theta$ और $\operatorname{cosec} \theta$ के मान क्रमशः क्या होंगे?

  • A
    $\frac{1}{a+b}, \frac{1}{a-b}$
  • B
    $\frac{2}{a+b}, \frac{2}{a-b}$
  • C
    $\frac{2}{a-b}, \frac{2}{a+b}$
  • D
    $\frac{1}{a-b}, \frac{1}{a+b}$

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यदि $\sin A = \sin B$ और $\cos A = \cos B$ है,तो

यदि $x \cos \theta = y \cos \left( \theta + \frac{2\pi}{3} \right) = z \cos \left( \theta + \frac{4\pi}{3} \right)$ है,तो $\frac{1}{x} + \frac{1}{y} + \frac{1}{z}$ का मान किसके बराबर है?

$\tan {20^\circ} + 2\tan {50^\circ} - \tan {70^\circ}$ का मान किसके बराबर है?

यदि $\sin A, \cos A$ और $\tan A$ एक $G.P.$ में हैं,तो $\cos^3 A + \cos^2 A$ का मान ज्ञात कीजिए।

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