A calculator to find the exact value of a coterminal angle to a given trigonometric angle. Since there are an infinite number of coterminal angles, this calculator finds the one whose size is between 0 and 360 degrees or between 0 and 2π depending on the unit of the given angle.
How to use the calculator
1  Enter the angle:
 in Degrees input. example 745
 in Radians input, enter angle as a fraction of π: example 12π/5
then press the button "enter".
