Angle units and trigonometric functions

The calculator below converts the angle units and computes trigonometric functions.

Depending on the purpose of the calculations, the angles  are expressed in different units: degrees, radians or parts of these units (minutes, miliradians). The converter includes also military units (NATO mils), nautical units (compass points) and gradians.

Additionally, the calculator computes the value of choosen trigonometric function for the converted angle.


angle units conversion and trigonometric functions

Trigonometric functions for the angle “α”:
sine: sin α = A/C
cosine: cos α = B/C
tangent: tan α = A/B
cosecant: csc α = C/A
secant: sec α = C/B
cotangent: cot α = B/A


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update: August 2021