Coterminal Angle Calculator

Tanvesh
Masters in Structural Engineering | Research Interest - Artificial Intelligence and Machine learning in Civil Engineering | Youtuber | Teacher | Currently working as Research Scholar at NIT Goa

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This Coterminal angle calculator calculates positive as well as negative coterminal angles and also checks if a particular angle is coterminal.

What is Coterminal angle

An angle when measured in a circle can define a sector as shown in figure below.

This sector will have an initial side and a terminal side. The approach of angle from initial side to terminal side or from terminal to initial side is called as a coterminal angle.

For a given sector there are two ways about how we can approach initial side and terminal side. These two ways are as explained below.

One ways is going from initial side to terminal side which will be 360+angle.

Other way would be going from terminal side to initial side which would be 360-angle.

These can be defined in multiples and thus an angle can have multiple coterminal angles.

This calculator calculates the 10 coterminal angles for a provided angle. This calculator also checks if a user defined angle is coterminal to given angle or not.

User can input the angle in degrees and radians.

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