# Trigonometric functions

Name | Syntax | Notes
--- | --- | ---
Sine | sin(x) |
Cosine | cos(x) |
Tangent | tan(x) |
Inverse sine | asin(x) | Returns an angle between -90 and 90 corresponding to the sine value x.
Inverse cosine | acos(x) | Returns an angle between 0 and 180 corresponding to the cosine value x.
Inverse tangent | atan(x) | Returns an angle between -90 and 90 corresponding to the tangent value x.
Secant | sec(x) |
Cotangent | cot(x) |
Cosecant | csc(x) |
Inverse secant | asec(x) |
Inverse cotangent | acot(x) |
Inverse cosecant | acsc(x) |
Hyperbolic tangent | tanh(x) |
Hyperbolic sine | sinh(x) |
Hyperbolic cosine | cosh(x) |
Inverse hyperbolic tangent | atanh(x) |
Inverse hyperbolic sine | asinh(x) |
Inverse hyperbolic cosine | acosh(x) |

## See also:

- Other mathematical functions
- Built-in functions