Convert to radians

MATHEMATICS · Single correct · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

Convert

-210^{\circ}

to radians, giving the simplest exact form. (a)

-\dfrac{5\pi}{6}

(b)

-\dfrac{11\pi}{6}

(c)

-\dfrac{7\pi}{6}

(d)

\dfrac{7\pi}{6}

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