# What is tan(arctan 10)?

##### 1 Answer

Feb 5, 2015

**opposite** operations. They cancel each other out. Your answer is

Your formula in words would be:

"Take the tangent of an angle.

This angle has a size that 'belongs' to a tangent of 10"

(but you don't have to do all this)

It's a bit like first multiplying by 5 and then dividing by 5.

Or taking the square root of a number and then squaring the result.