Coterminal Angle Calculator

Coterminal angles are angles that share the same initial side and a terminal side. It’s easy to find coterminal angles by simply adding or subtracting 360° or 720° to each angle.
To find the coterminal angles for a given angle, simply enter the value of the angle below and then click the “Calculate” button.
Positive coterminal angle with 360° : 400°
Positive coterminal angle with 720° : 760°
Negative coterminal angle with 360° : -320°
Negative coterminal angle with 720° : -680°

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