Class 11 Mathematics Trigonometrical Ratios, Functions and Identities Trigonometrical ratios of multiple and sub-multiple angles

Easy

$\tan \frac{A}{2}$ is equal to

A
$\pm \sqrt{\frac{1 - \sin A}{1 + \sin A}}$
B
$\pm \sqrt{\frac{1 + \sin A}{1 - \sin A}}$
C
$\pm \sqrt{\frac{1 - \cos A}{1 + \cos A}}$
D
$\pm \sqrt{\frac{1 + \cos A}{1 - \cos A}}$

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Class 11 Questions

Class 11

Mathematics Questions

Chapter

Trigonometrical Ratios, Functions and Identities

Subtopic

Trigonometrical ratios of multiple and sub-multiple angles

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