If and lies in quadrant III

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

If

\sin x=\frac{-2 \sqrt{6}}{5}

and

x

lies in quadrant III, then

\cot x

is: a)

\frac{3}{2 \sqrt{6}}

b)

\frac{1}{2 \sqrt{6}}

c)

\frac{-1}{2 \sqrt{6}}

d)

\frac{-3}{2 \sqrt{6}}

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