Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental 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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$\frac{\sqrt{3} \sin \theta + \cos \theta}{\sin \left(\theta + \frac{\pi}{6}\right)} = $
Find the value of the trigonometric function $\tan \frac{19 \pi}{3}$.
Easy
View Solution$\cos ^2 45^{\circ}+\cos ^2 135^{\circ}+\cos ^2 225^{\circ}+\cos ^2 315^{\circ} = $
$\tanh (\log x) = $
$\frac{1}{1+\sin \theta}+\frac{1}{1-\sin \theta} = $
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