Find a cofunction with the same value as the given expression.
-$\tan 60 ^ { \circ }$
A) $\cot 30 ^ { \circ }$
B) $\cot 60 ^ { \circ }$
C) $\sec 60 ^ { \circ }$
D) $\cot 150 ^ { \circ }$

Question

Quizplus · Accepted Answer

The cofunction identity for tangent and cotangent is $\tan \theta = \cot (90^\circ - \theta)$. Therefore, $\tan 60^\circ = \cot (90^\circ - 60^\circ) = \cot 30^\circ$.

Find a Cofunction with the Same Value as the Given tan⁡60∘\tan 60 ^ { \circ }tan60∘

Find a Cofunction with the Same Value as the Given $\tan 60 ^ { \circ }$