# Workbook Functions: Trigonometry

ACOS(Number from 1 to -1)

Arc cosine of X in radians from 0 to PI (*180/PI to convert to degrees).

ACOSH(Number >=1)

Inverse hyperbolic cosine.

ASIN(Number from - 1 to 1)

Arc sine of X in radians from -PI/2 to PI/2 (*180/PI to convert to degrees).

ASINH(Any number)

Inverse hyperbolic sine.

ATAN(Any number)

Arctangent of X in radians from -PI/2 to PI/2 (*180/PI to convert to degrees).

ATAN2(x-coordinate, y-coordinate)

Angle (arctangent), in radians from -PI to PI excluding -PI, formed by the x-axis and a line with end points (0,0) and the given (x,y).

ATANH(Number from -1 to 1, excluding -1 and 1)

Inverse hyperbolic tangent.

COS(Any number)

Cosine of an angle in radians (*PI/180 to convert the angle from degrees to radians).

See also: ACOS, ASINH, ATANH, COSH, PI

COSH(Any number)

Hyperbolic cosine.

PI

Returns the value of PI.

Sine of the specified angle (*PI/180 to convert the angle from degrees to radians).

SINH(any number)

Hyperbolic sine of the specified number.