Degree/Radian Equivalences for Selected Angles

By Mary Jane Sterling

Part of Trigonometry For Dummies Cheat Sheet

As you study trigonometry, you’ll find occasions when you need to change degrees to radians, or vice versa. A formula for changing from degrees to radians or radians to degrees is:

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The formula works for any angle, but the most commonly used angles and their equivalences are shown below.

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