Write the Function in Terms of Its Cofunction $\tan 69 ^ { \circ }$

Multiple Choice

Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.
- $\tan 69 ^ { \circ }$

A) $\cot 21 ^ { \circ }$
B) $\tan 159 ^ { \circ }$
C) $\cot 69 ^ { \circ }$
D) $\cot 111 ^ { \circ }$