यदि $\sin \theta + \text{cosec} \theta = 2$ है,तो $\sin^2 \theta + \text{cosec}^2 \theta = $

  • A
    $1$
  • B
    $4$
  • C
    $2$
  • D
    इनमें से कोई नहीं

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$\left(\sin 70^{\circ}\right)\left(\cot 10^{\circ} \cot 70^{\circ}-1\right)$ का मान है

$\cos \frac{2\pi}{15} \cos \frac{4\pi}{15} \cos \frac{8\pi}{15} \cos \frac{16\pi}{15} = $

$\tan \frac{2 \pi}{7} \cdot \tan \frac{4 \pi}{7} + \tan \frac{4 \pi}{7} \cdot \tan \frac{\pi}{7} + \tan \frac{\pi}{7} \cdot \tan \frac{2 \pi}{7} = $

यदि $\tan \theta + \cot \theta = 2$ है,तो $\sin \theta$ का मान क्या होगा?

$\frac{1-\cos(2x)+\sin(x)}{\sin(2x)+\cos(x)} = $

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