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

Easy

If $\tan A = \frac{1 - \cos B}{\sin B},$ find $\tan 2A$ in terms of $\tan B$.

IIT 1983 All IIT

A
$\tan 2A = \tan B$
B
$\tan 2A = \tan^2 B$
C
$\tan 2A = \tan^2 B + 2\tan B$
D
None of the above

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Mathematics Questions

Chapter

Trigonometrical Ratios, Functions and Identities

Subtopic

Trigonometrical ratios of multiple and sub-multiple angles

Previous Year

IIT 1983 Paper All IIT years →

Similar Questions

If $\frac{\tan 3A}{\tan A} = a$,then $\frac{\sin 3A}{\sin A}$ is equal to

DifficultAP EAMCET 2005

The value of $\cos(60^{\circ} - A) \cdot \cos A \cdot \cos(60^{\circ} + A)$ is

DifficultMHT CET 2026

If $\tan \alpha = \frac{1}{7}$ and $\tan \beta = \frac{1}{3}$,then $\cos 2\alpha = $

Medium

If $\cot A=\frac{11}{60}$,$\cos B=\frac{7}{25}$ and neither $A$ nor $B$ is in the first quadrant,then $\left(A+\frac{B}{2}\right)$ lies in the quadrant

MediumTS EAMCET 2021

$\frac{\sec 8A - 1}{\sec 4A - 1} = $

Easy

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.