Here we answer one simple question: What is cos (1) radians? The answer is as follows:
Cos(1) = 0.540302305868
This is the same answer you will get if you have a scientific calculator set to RAD mode and then enter 1 followed by the Cos button.
To find cos of another number, please enter the number below and press "Calculate Cos".
What is Cos 2 radians?
Go here for the next number we converted to cos radians.