Math Calculators

Coterminal Angle Calculator

Find the positive and negative coterminal angles of any given angle.

Normalized angle (0-360°) —

Positive coterminal angle —

Negative coterminal angle —

About the Coterminal Angle Calculator

Coterminal angles share the same terminal side when drawn in standard position, differing only by full 360° rotations.

Formula: Coterminal angles = angle ± 360°×k, for any integer k