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$1$
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Similar Questions
$2 \sin \left(\frac{\pi}{22}\right) \sin \left(\frac{3 \pi}{22}\right) \sin \left(\frac{5 \pi}{22}\right) \sin \left(\frac{7 \pi}{22}\right) \sin \left(\frac{9 \pi}{22}\right)$ का मान ज्ञात कीजिए।
यदि $\operatorname{Sinh}^{-1}(2)+\operatorname{Sinh}^{-1}(3)=\alpha$ है,तो $\sinh \alpha=$
यदि किसी $x \in (\pi, \frac{3\pi}{2})$ के लिए $\cot x = \frac{5}{12}$ है, तो $\sin 7x(\cos \frac{13x}{2} + \sin \frac{13x}{2}) + \cos 7x(\cos \frac{13x}{2} - \sin \frac{13x}{2})$ का मान ज्ञात कीजिए।
DifficultJEE MAIN 2026
View Solutionयदि $3 \cos \theta + 4 \sin \theta = 5$ है,तो $3 \sin \theta - 4 \cos \theta$ का मान ज्ञात कीजिए।
यदि $A+B+C+D=2 \pi$ है,तो $\sin A+\sin B+\sin C+\sin D=$
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