Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of sum and difference of two and three angles
Easy$\sin (x+y) \sec x \sec y=$
- A$\cos x \cos y$
- B$\tan x-\tan y$
- C$\cos x+\cos y$
- D$\tan x+\tan y$
Explore More
Similar Questions
If $\theta$ and $\phi$ are angles in the $1^{st}$ quadrant such that $\tan \theta = 1/7$ and $\sin \phi = 1/\sqrt{10}$. Then:
Medium
View Solution$\tan 100^\circ + \tan 125^\circ + \tan 100^\circ \tan 125^\circ = $
Easy
View SolutionProve that: $\frac{\sin 5x + \sin 3x}{\cos 5x + \cos 3x} = \tan 4x$
Easy
View SolutionProve that: $(\cos x-\cos y)^{2}+(\sin x-\sin y)^{2}=4 \sin ^{2} \frac{x-y}{2}$
Medium
View SolutionIf $2 \sin \left(\theta+\frac{\pi}{3}\right)=\cos \left(\theta-\frac{\pi}{6}\right)$,then $\tan \theta=$
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo