40^{circ} 20^{prime} નું રેડિયન માપમાં રૂપાંતર કરો

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3.Trigonometrical Ratios, Functions and Identities

easy

$40^{\circ} 20^{\prime}$ નું રેડિયન માપમાં રૂપાંતર કરો.

A

$\frac{121 \pi}{540}$

B

$\frac{121 \pi}{540}$

C

$\frac{121 \pi}{540}$

D

$\frac{121 \pi}{540}$

Solution

We know that $180^{\circ}=\pi$ radian.

Hence $\quad 40^{\circ} 20^{\prime}=40 \frac{1}{3}$ degree $=\frac{\pi}{180} \times \frac{121}{3}$ radian $=\frac{121 \pi}{540}$ radian.

Therefore $40^{\circ} 20^{\prime}=\frac{121 \pi}{540}$ radian.

Standard 11

Mathematics

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