What is Cos 180 degrees?

Here we answer one simple question: What is cos (180) degrees? The answer is as follows:

Cos(180) = -1.000000000000

This is the same answer you will get if you have a scientific calculator set to DEG mode and then enter 180 followed by the Cos button.

Cos Calculator
To find cos of another number, please enter the number below and press "Calculate Cos".

What is Cos 181 degrees?
Go here for the next number we converted to cos degrees.