Trigonometric functions

Function	Description	Unit
arccos	Computes the arc cosine of an angle.	math
arcosh	Computes the hyperbolic arc cosine of an angle.	math
arcsin	Computes the arc sine of an angle.	math
arcsinh	Computes the hyperbolic arc sine of an angle.	math
arctan	Computes the arc tangent of one number.	system
arctan2	Computes the arc tangent of two numbers.	math
arctanh	Computes the hyperbolic arc tangent of an angle.	math
cos	Computes the cosine of an angle.	system
cosecant	Calculate cosecant (secant complement).	math
cosh	Computes the hyperbolic cosine of an angle.	math
cotan	Return cotangent (tangent complement).	math
degnormalize	Normalize an angle measured in degrees.	math
hypot	Return hypotenuse of triangle.	math
Pi	Returns π.	system
secant	Calculate secant.	math
sin	Computes the sine of an angle.	system
sincos	Return sine and cosine of argument.	math
sinh	Computes the hyperbolic sine of an angle.	math
tan	Computes the tangent of an angle.	math
tanh	Computes the hyperbolic tangent of an angle.	math

Note: All angle parameters and results of trigonometric functions are in Radians.

See also

• TAChart Tutorial: Function Series

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From the Free Pascal wiki, page "Trigonometric functions", as it stood on 2017-09-27 after a change by Djzepi, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.