Question

Which functions are positive for the angle of 210 degrees (Select all that apply)
A sin(210)
B cos(210)
C tan(210)
D cot(210)

Answer 1

$210^{\circ}~ \text{lies in the third quadrant,}~\text{where}~ \tan \theta ~\text{and}~ \cot \theta ~\text{are positive.} \\\\ \text{Hence the answers are C and D.}$