$\frac{2 \tan 30^{\circ}}{1-\tan ^{2} 30^{\circ}}=$
$\frac{2 \tan 30^{\circ}}{1-\tan ^{2} 30^{\circ}}=$
- A
$\tan 60^{\circ}$
- B
$\cos 60^{\circ}$
- C
$\sin 60^{\circ}$
- D
$\sin 30^{\circ}$
Similar Questions
Given $\tan A=\frac{4}{3},$ find the other trigonometric ratios of the $\angle A$
Given $\tan A=\frac{4}{3},$ find the other trigonometric ratios of the $\angle A$
Evaluate:
$\operatorname{cosec} 31^{\circ}-\sec 59^{\circ}$
Evaluate:
$\operatorname{cosec} 31^{\circ}-\sec 59^{\circ}$
Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
$\frac{1+\sec A}{\sec A}=\frac{\sin ^{2} A}{1-\cos A}$
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$\frac{1+\sec A}{\sec A}=\frac{\sin ^{2} A}{1-\cos A}$
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