CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Calculate

\displaystyle \sin\left(\frac{7\pi}{6}\right)

. (a)

-\dfrac{1}{\sqrt3}

(b)

-\dfrac12

(c)

\dfrac12

(d)

-\dfrac{\sqrt3}{2}