Class 11MathematicsTrigonometric FunctionsFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
EasyFind the radian measure corresponding to the following degree measure: $240^{\circ}$
- A$\frac{4}{3} \pi$
- B$\frac{3}{4} \pi$
- C$\frac{2}{3} \pi$
- D$\frac{5}{6} \pi$
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Similar Questions
The expression $[1 - \sin(3\pi - \alpha) + \cos(3\pi + \alpha)] [1 - \sin(\frac{3\pi}{2} - \alpha) + \cos(\frac{5\pi}{2} - \alpha)]$ when simplified reduces to:
Difficult
View SolutionIf $\sec \theta = \frac{13}{12}$ and $\theta$ lies in the $4^{\text{th}}$ quadrant,then $\tan \theta \times \operatorname{cosec} \theta \times \sin \theta \times \cos \theta = $
$\operatorname{Tanh}^{-1}(\sin \theta) =$
Which of the following statements is incorrect?
Easy
View Solution$\sin 690^{\circ} \times \sec 240^{\circ} = $
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