# What does sin(arccos(3))-cot(arcsin(5)) equal?

Dec 10, 2015

This expression is undefined

#### Explanation:

The functions $\arccos \left(n\right)$ and $\arcsin \left(n\right)$ are only defined for $- 1 \le n \le + 1$
(since $\cos \left(\theta\right)$ and $\sin \left(\theta\right)$ only return values in the range $\left[- 1 , + 1\right]$)