Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\sin (\pi + \theta )\sin (\pi - \theta )\csc^2 \theta = $
- A$1$
- B$-1$
- C$\sin \theta $
- D$-\sin \theta $
Explore More
Similar Questions
$\cos 1^\circ \cdot \cos 2^\circ \cdot \cos 3^\circ \cdot \dots \cdot \cos 179^\circ = $
Easy
View Solutionપદાવલિ $[1 - \sin(3\pi - \alpha) + \cos(3\pi + \alpha)] [1 - \sin(\frac{3\pi}{2} - \alpha) + \cos(\frac{5\pi}{2} - \alpha)]$ નું સાદું રૂપ આપતા શું મળે?
Difficult
View Solution$\sin ^{2} 17.5^{\circ} + \sin ^{2} 72.5^{\circ}$ ની કિંમત શોધો.
$100 \, cm$ ત્રિજ્યા ધરાવતા વર્તુળના કેન્દ્ર આગળ $22 \, cm$ લંબાઈના ચાપ દ્વારા આંતરાતા ખૂણાનું અંશમાપ શોધો ($\pi = \frac{22}{7}$ લો).
Easy
View Solutionજો $\operatorname{cosec} \theta - \cot \theta = 2017$ હોય,તો $\theta$ કયા ચરણમાં આવેલું છે?
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