(A) We know that $\pi \text{ radian} = 180^{\circ}$.To convert radians to degrees,we multiply by $\frac{180}{\pi}$.$\frac{7 \pi}{6} \text{ radian} = \

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(A) We know that $\pi \text{ radian} = 180^{\circ}$.To convert radians to degrees,we multiply by $\frac{180}{\pi}$.$\frac{7 \pi}{6} \text{ radian} = \frac{7 \pi}{6} \times \frac{180}{\pi}^{\circ}$.$= \frac{7}{6} \times 180^{\circ}$.$= 7 \times 30^{\circ} = 210^{\circ}$.

Class 11 Mathematics Trigonometrical Ratios, Functions and Identities Fundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles

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Find the degree measure corresponding to the following radian measure (Use $\pi = \frac{22}{7}$): $\frac{7 \pi}{6}$ (in $^{\circ}$)

A
$210$
B
$220$
C
$200$
D
$190$

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Trigonometrical Ratios, Functions and Identities

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Fundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles

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Find the degree measure corresponding to the following radian measure (Use $\pi = \frac{22}{7}$): $\frac{7 \pi}{6}$ (in $^{\circ}$)

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If $y = \log_e \tan \left(\frac{\pi}{4} + \frac{x}{2}\right)$,then $\tanh \left(\frac{y}{2}\right) = $

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