Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\frac{1}{1+\sin \theta}+\frac{1}{1-\sin \theta} = $
- A$2 \cos ^2 \theta$
- B$-2 \cos ^2 \theta$
- C$2 \tan ^2 \theta$
- D$2 \sec ^2 \theta$
Explore More
Similar Questions
સાબિત કરો કે $2 \sin ^{2} \frac{3 \pi}{4} + 2 \cos ^{2} \frac{\pi}{4} + 2 \sec ^{2} \frac{\pi}{3} = 10$.
Medium
View Solution$\sin 18^{\circ}$ નું મૂલ્ય શું છે?
જો $\frac{\cos A}{3} = \frac{\cos B}{4} = \frac{1}{5}$, $-\frac{\pi}{2} < A < 0$, અને $-\frac{\pi}{2} < B < 0$ હોય, તો $2 \sin A + 4 \sin B$ ની કિંમત શોધો.
MediumWBJEE 2010
View Solutionનીચેનામાંથી કોનું મૂલ્ય સમાન છે?
$(a)$ $\sin 120^{\circ}$
$(b)$ $\cos 930^{\circ}$
$(c)$ $\tan 840^{\circ}$
$(d)$ $\cot (-1110^{\circ})$
$(a)$ $\sin 120^{\circ}$
$(b)$ $\cos 930^{\circ}$
$(c)$ $\tan 840^{\circ}$
$(d)$ $\cot (-1110^{\circ})$
જો $\cos x = -\frac{3}{5}$ અને $x$ ત્રીજા ચરણમાં હોય,તો બાકીના પાંચ ત્રિકોણમિતીય વિધેયોની કિંમત શોધો.
Medium
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