Input(s)

acos(X)

Returns the arccos (inverse cosine) of X. Result is in radians.

acosh(X)

Returns the inverse hyperbolic cosine of X.

acot(X)

Returns the inverse arccotangent of X.

acot2(X,Y)

Returns the inverse arcotangent of the ratio of X to Y.

numeric, numeric

acoth(X)

Returns the inverse hyperbolic cotangent of X.

arctan(X)

Returns the arctan (inverse tangent) of X. Same as atan(X).

asin(X)

Returns the arcsine of X. Result is in radians.

asinh(X)

Returns the inverse hyperbolic sine of X.

atan(X)

Returns a value in radians (range -pi/2 to pi/2), being the arctangent of X (the ratio of two sides of a right triangle). Same as arctan(X).

atan2(X,Y)

Returns the arctangent of X. Result is in radians.

numeric,numeric

atanh(X)

Returns the inverse hyperbolic tangent of X.

cos(X)

Returns the cosine of X (an angle in radians)

cosh(X)

Hyperbolic cosine of X.

cot(X)

Returns the cotangent of X (an angle in radians)

coth(X)

Hyperbolic cotangent of X.

hypot(X,Y)

Returns length of hypotenuse of triangle with base X and height Y

numeric, numeric

sin(X)

Returns the sine of the argument (an angle in radians)

sinh(X)

Hyperbolic sine of X.

tan(X)

Returns the tan of the argument (an angle in radians)

tanh(X)

Hyperbolic tangent of X.