To find the complement of an angle, say ' x ', when expressed in radians, use the formula below: Complement of xrad = π/2 - x. Example 1: The complementary angle of 1/3π radian = π/2 -

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Complementary angle calculator that returns exact values and steps given either one degree or radian value, Trigonometry Calculator. Trigonometric Function Calculator. Triangle Calculator.

Complementary angles example. Example 1: Based on the display of angles in the graph below, calculate the value of X if it is known that the angles are complementary. Graph