Wiskunde Multiple Choice Vraag uit Gricha's Wiskundige Vragenbank

$\tan ^2 60^{\circ}\cdot \frac{\cos 60^{\circ}}{\sin 60^{\circ}}=$	A. 1
B.
C. 3
D. 3.
E.

${\color{Cyan} \mid } \newline {\color{DarkGreen} tan^2\: 60^{\circ}\cdot \frac{cos\: 60^{\circ}}{sin\: 60^{\circ}}= tan\: 60^{\circ} \cdot \underbrace{tan\: 60^{\circ}\cdot cot\: 60^{\circ}}_{1}=tan\: 60^{\circ}=\cdots }$