Class 11 Mathematics Trigonometric Functions Trigonometrical ratios of sum and difference of two and three angles

Medium

જો $\tan \alpha = (1 + 2^{-x})^{-1}$ અને $\tan \beta = (1 + 2^{x+1})^{-1}$ હોય,તો $\alpha + \beta$ ની કિંમત શું થાય?

A
$\pi /6$
B
$\pi /4$
C
$\pi /3$
D
$\pi /2$

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Mathematics Questions

Chapter

Trigonometric Functions

Subtopic

Trigonometrical ratios of sum and difference of two and three angles

Similar Questions

સાબિત કરો કે $\sin (n+1) x \sin (n+2) x + \cos (n+1) x \cos (n+2) x = \cos x$.

Easy

$\tan \frac{13 \pi}{12}$ ની કિંમત શોધો.

Medium

જો $\tan A = -\frac{1}{2}$ અને $\tan B = -\frac{1}{3}$ હોય,તો $A + B = $

જો $\cos (\alpha + \beta ) = \frac{4}{5}$,$\sin (\alpha - \beta ) = \frac{5}{13}$ અને $\alpha, \beta$ એ $0$ અને $\frac{\pi}{4}$ ની વચ્ચે હોય,તો $\tan 2\alpha = $

$\frac{\sin^2 A - \sin^2 B}{\sin A \cos A - \sin B \cos B} = $

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.