Compute the hyperbolic arccosine of a number.

Compute the inverse (arc) secant of a single-precision floating-point number.

Compute the hyperbolic arccosine of a number.

Compute the arccosine of a number.

Compute the hyperbolic arccosine of a number.

Compute the inverse (arc) secant of a number.

Compute the arccosine (in degrees) of a double-precision floating-point number.

Compute the hyperbolic arcsecant of a number.

Compute the arccosine (in degrees) of a single-precision floating-point number.