Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\cot (45^\circ + \theta ) \cot (45^\circ - \theta ) = $
- A$-1$
- B$0$
- C$1$
- D$\infty$
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View SolutionIf $\frac{\cos A}{3} = \frac{\cos B}{4} = \frac{1}{5}$, $-\frac{\pi}{2} < A < 0$, and $-\frac{\pi}{2} < B < 0$, then the value of $2 \sin A + 4 \sin B$ is
MediumWBJEE 2010
View SolutionConvert $6$ radians into degree measure.
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