Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
Medium$\frac{\cos 12^{\circ}-\sin 12^{\circ}}{\cos 12^{\circ}+\sin 12^{\circ}}+\frac{\sin 147^{\circ}}{\cos 147^{\circ}} = $
- A$-2$
- B$0$
- C$-1$
- D$1$
Explore More
Similar Questions
यदि $\cos ^2 84^{\circ}+\sin ^2 126^{\circ}-\sin 84^{\circ} \cos 126^{\circ}=K$ और $\cot A+\tan A=2 K$ है,तो $\tan A$ के संभावित मान हैं
यदि $\tanh x = \frac{1}{2}$ है,तो $\sinh 2x - \text{sech } 2x = $
$\tan \frac{\pi}{5} + 2 \tan \frac{2 \pi}{5} + 4 \cot \frac{4 \pi}{5} = $
यदि $0 \leq x \leq 3$ और $0 \leq y \leq 3$ है,तो समीकरण $\left(\sqrt{\sin^2 x - \sin x + \frac{1}{2}}\right) 2^{\sec^2 y} = 1$ के हलों $(x, y)$ की संख्या क्या है?
यदि $2 \sin \theta + 3 \cos \theta = 2$ और $\theta \neq (2n + 1) \frac{\pi}{2}$ है,तो $3 \sin \theta - 2 \cos \theta$ का मान ज्ञात कीजिए।
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