$2A$ एक न्यून कोण का माप है और $\sec 2A = \operatorname{cosec}(A - 42^\circ)$ है,तो $A$ का मान $\ldots \ldots \ldots \ldots$ है। ($^\circ$ में)

  • A
    $44$
  • B
    $43$
  • C
    $44.5$
  • D
    $42.5$

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Similar Questions

$\Delta ABC$ में,$m \angle C = 90^{\circ}$ और $\tan A = \frac{1}{\sqrt{3}}$ है,तो $\sin A = \ldots$

$\tan 5^{\circ} \cdot \tan 25^{\circ} \cdot \tan 45^{\circ} \cdot \tan 65^{\circ} \cdot \tan 85^{\circ}$ का मान $\ldots \ldots \ldots \ldots$ है।

$(\sin 80^{\circ} + \cos 10^{\circ})(\sin 80^{\circ} - \cos 10^{\circ}) = \ldots \ldots \ldots$

$\tan (90^\circ - \theta) = \ldots \ldots \ldots$

यदि $a \sin \theta = 3$ और $a \cos \theta = 4$ है,तो $a = \dots$ (जहाँ $a > 0$)।

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