Amplitude of a Sinusoidal Function

Angle of Depression

Angle of Elevation

Angle Of Rotation

Arc Cosecant

Arc Cosine

Arc Cotangent

Arc Secant

Arc Sine

Arc Tangent

Aryabhata (476 – 550)

Azimuth

Circular Function

Circular System

Circular Trigonometry

Cofunction

Cosecant Function

Cosecant of an Angle

Cosine Function

Cosine Law

Cotangent Function

Cotangent of an Angle

Counter-Clockwise Direction

Frequency of a Periodic Function

Interpolation

Orthogonal Projection Ratio

Polar Angle

Polar Axis

Polar Coordinate System

Polar Coordinates of a Point

Polar Graph

Radian

Secant of an Angle

Sexagesimal Number System

Sine Function

Sine Law

Sine of an Angle

Sinusoidal Function

Spherical Degree

Tangent Function

Tangent Law

Tangent of an Angle

Transcendental Equation

Trigonometric Circle

Trigonometric Equation

Trigonometric Function

Trigonometric Identity

Trigonometric Ratio

Unit Circle

Variation

Winding Function