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Q. Find the circular measure of the following angle $75^{\circ}$

Trigonometric Functions

Solution:

(i) Now, $180^{\circ} = \pi$ radian
$\Rightarrow 1^{\circ}=\frac{\pi}{180}$ radian
$\Rightarrow 75^{\circ}=\frac{75\pi}{180}=\frac{5\pi}{12}$ radian