$\Delta ABC$ में,$m \angle C = 90^{\circ}$ और $\cos B = \frac{1}{2}$ है,तो $\operatorname{cosec} A = \ldots$

  • A
    $\frac{1}{2}$
  • B
    $\sqrt{3}$
  • C
    $\frac{2}{\sqrt{3}}$
  • D
    $2$

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Similar Questions

$\cot \theta \cdot \tan \theta = \dots$

$\sin^{2} 15^{\circ} + \sin^{2} 75^{\circ} = \dots$

$\frac{1}{\sin ^{2} \theta}-1 = \ldots \ldots \ldots$

सिद्ध कीजिए कि,
$(\sqrt{3}+ 1) (3-\cot 30^{\circ})=\tan ^{3} 60^{\circ}-2 \sin 60^{\circ}$

यदि $\sin A = \frac{1}{2}$ है,तो $\cot A$ का मान ज्ञात कीजिए।

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