Use the Properties of Inverse Trigonometric Functions to Evaluate the Expression.​

Multiple Choice

Use the properties of inverse trigonometric functions to evaluate the expression.​ $$\tan ( \arctan 40 )$$ ​

A) $\tan ^ { - 1 } 40$
B) $- 40$
C) $\frac { \pi } { 40 }$
D) $\tan 40$
E) 40