Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of multiple and sub-multiple angles
EasyEvaluate: $\csc A - 2 \cot 2A \cos A$
- A$2 \sin A$
- B$\sec A$
- C$2 \cos A \cot A$
- DNone of these
Explore More
Similar Questions
If $\csc \theta = \frac{p + q}{p - q}$ $(p \neq q \neq 0)$,then $\left| \cot \left( \frac{\pi}{4} + \frac{\theta}{2} \right) \right|$ is equal to
DifficultJEE MAIN 2014
View SolutionIf $\cos 3\theta = \alpha \cos \theta + \beta \cos^3 \theta$,then $(\alpha, \beta) = $
Easy
View SolutionIf $k = \sin \frac{\pi}{18} \cdot \sin \frac{5\pi}{18} \cdot \sin \frac{7\pi}{18}$,then the numerical value of $k$ is
DifficultIIT 1993
View SolutionFind $\sin \frac{x}{2}, \cos \frac{x}{2}$ and $\tan \frac{x}{2},$ if $\tan x = -\frac{4}{3}$ and $x$ is in quadrant $II$.
Difficult
View Solution$\tan \left(\frac{3 \pi}{16}\right)+\cot \left(\frac{3 \pi}{16}\right)=$
DifficultAP EAMCET 2020
View SolutionVedclass 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