यदि $\cos \frac{\pi}{4} \cos \frac{\pi}{8} \cos \frac{\pi}{16} \cos \frac{\pi}{32} = 2^m \operatorname{cosec} \frac{\pi}{n}$ है,तो $m+n=$

  • A
    $27$
  • B
    $25$
  • C
    $28$
  • D
    $29$

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मान ज्ञात कीजिए: $\csc A - 2 \cot 2A \cos A$

मान लीजिए $f_n(x) = \tan \frac{x}{2}(1 + \sec x)(1 + \sec 2x) \dots (1 + \sec 2^n x)$, तो

$\tan A + 2 \tan 2A + 4 \tan 4A + 8 \cot 8A = $

यदि $\tan \theta = \frac{a}{b}$ है,तो $b \cos 2 \theta + a \sin 2 \theta = $

$\sqrt{2} + \sqrt{3} + \sqrt{4} + \sqrt{6}$ का मान ज्ञात कीजिए।

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