Find the exact value of the expression. Do not use a calculator.
-$\cos 120 ^ { \circ } \tan 60 ^ { \circ }$
A) $- \frac { \sqrt { 3 } } { 2 }$
B) $\frac { \sqrt { 3 } } { 2 }$
C) $\frac { 3 } { 2 }$
D) $- \frac { 1 } { 4 }$

Question

Quizplus · Accepted Answer

$\cos 120^\circ = -\frac{1}{2}$ and $\tan 60^\circ = \sqrt{3}$, so $-\frac{1}{2} \times \sqrt{3} = -\frac{\sqrt{3}}{2}$.

Find the Exact Value of the Expression cos⁡120∘tan⁡60∘\cos 120 ^ { \circ } \tan 60 ^ { \circ }cos120∘tan60∘

Find the Exact Value of the Expression $\cos 120 ^ { \circ } \tan 60 ^ { \circ }$