Trigonometric functions are mathematical functions that relate angles and ratios of sides in triangles. Common examples include sine, cosine, and tangent.
Related terms
Periodicity: Periodicity refers to how trigonometric functions repeat their values after certain intervals. For example, sine has a periodicity of 2π radians or 360 degrees.
Unit Circle: The unit circle is a circle with radius 1 centered at the origin (0,0) on the coordinate plane. It helps visualize trigonometric values based on angle measurements.