Calculator to Find the Coterminal
and Reference Angles to a Given Angle

\( \) \( \)\( \)\( \)
1) A coterminal angle is another angle that has the same terminal side as the given angle.
2)The reference angle $\theta_r$ is the acute angle made by the x-axis and the terminal side of the given angle.
Solve each step below then click on "Show me" to check your answer. There is a graph at the bottom of the page that helps you further understand graphically the solution to the question shown below.

Step by step solution

More Step by Step Math Worksheets SolversNew !