Solve the problem.
-$$\sqrt { \frac { 1 + \cos 18 ^ { \circ } } { 1 - \cos 18 ^ { \circ } } }$$
A) $\tan 9 ^ { \circ }$
B) $\cos 9 ^ { \circ }$
C) $\cot 9 ^ { \circ }$
D) $\sin 9 ^ { \circ }$

Question

Quizplus · Accepted Answer

The Answer of Solve the problem.
-$$\sqrt { \frac { 1 + \cos 18 ^ { \circ } } { 1 - \cos 18 ^ { \circ } } }$$
A) $\tan 9 ^ { \circ }$
B) $\cos 9 ^ { \circ }$
C) $\cot 9 ^ { \circ }$
D) $\sin 9 ^ { \circ }$

Solve the Problem 1+cos⁡18∘1−cos⁡18∘\sqrt { \frac { 1 + \cos 18 ^ { \circ } } { 1 - \cos 18 ^ { \circ } } }1−cos18∘1+cos18∘​​

Solve the Problem $\sqrt { \frac { 1 + \cos 18 ^ { \circ } } { 1 - \cos 18 ^ { \circ } } }$