यदि $5 \tan \theta = 4$ है,तो $\frac{5 \sin \theta - 3 \cos \theta}{5 \sin \theta + 2 \cos \theta} = $

  • A
    $0$
  • B
    $1$
  • C
    $1/6$
  • D
    $6$

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यदि $\frac{2\sin \alpha}{1 + \cos \alpha + \sin \alpha} = y$ है,तो $\frac{1 - \cos \alpha + \sin \alpha}{1 + \sin \alpha} = $

व्यंजक $\frac{\tan A}{1 - \cot A} + \frac{\cot A}{1 - \tan A}$ को इस प्रकार लिखा जा सकता है:

$\sin ^4 \frac{\pi}{8} + \sin ^4 \frac{3\pi}{8} + \sin ^4 \frac{5\pi}{8} + \sin ^4 \frac{7\pi}{8} = $

एक $\Delta ABC$ में,$\angle B = \frac{\pi}{3}$,$\angle C = \frac{\pi}{4}$ और $D$,$BC$ को $1:3$ के अनुपात में आंतरिक रूप से विभाजित करता है,तो $\frac{\sin \angle BAD}{\sin \angle CAD}$ का मान ज्ञात कीजिए।

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यदि $\alpha, \beta, \gamma \in \left( 0, \frac{\pi}{2} \right)$ है,तो $\frac{\sin(\alpha + \beta + \gamma)}{\sin \alpha + \sin \beta + \sin \gamma}$ का मान क्या है?

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