# What does #tan(arcsec(2))-2cos(arc cot(3))# equal?

##### 1 Answer

Apr 20, 2016

#### Explanation:

If sec is positive, tan could be positive or negative.

Let

So, the first term

If cot is positive, cos could be positive or negative.

Let

So, the second term

Remembering that the sign choice from

the sum is