Use Identities to Fill in the Blank with the Appropriate $$\tan \frac { \pi } { 4 } =....... \quad \frac { \pi } { 4 }$$

Multiple Choice

Use identities to fill in the blank with the appropriate trigonometric function name.
- $$\tan \frac { \pi } { 4 } =....... \quad \frac { \pi } { 4 }$$

A) $\tan$
B) $\csc$
C) $\cot$
D) $\cos$