$\tan ^{2} \theta - \sec ^{2} \theta = \ldots \ldots \ldots$

  • A
    $-1$
  • B
    $1$
  • C
    $\cot ^{2} \theta$
  • D
    $\sin ^{2} \theta$

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यदि $\cos A = \frac{4}{5}$ है,तो $\tan A$ का मान ज्ञात कीजिए।

न्यूनकोण $A$ और $B$ के लिए,यदि $\tan A = 1$ और $\sin B = \frac{1}{\sqrt{2}}$ है,तो $\cos (A + B) = \dots$

$\Delta ABC$ में, $AC = 5$, $BC = 13$, $m \angle A = 90^\circ$ है, तो $\tan B = \ldots$

$\frac{\sec \theta-1}{\sec \theta+1} = \ldots$

सिद्ध कीजिए कि,$(\sin \alpha+\cos \alpha)(\tan \alpha+\cot \alpha)=\sec \alpha+\operatorname{cosec} \alpha$

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