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3.Trigonometrical Ratios, Functions and Identities
easy
અંશ માપ શોધો. ( $\pi=\frac{22}{7}$ લો. ) $\frac{7 \pi}{6}$
A
$210^{\circ}$
B
$210^{\circ}$
C
$210^{\circ}$
D
$210^{\circ}$
Solution
We know that $\pi$ radian $=180^{\circ}$
$\therefore \frac{7 \pi}{6}$ radian
$=\frac{180}{\pi} \times \frac{7 \pi}{6}$
$=210^{\circ}$
Standard 11
Mathematics