Trigonometry functions

ACOS Returns the inverse trigonometric cosine of a number.
ACOSH Returns the inverse hyperbolic cosine of a number.
ACOT Returns the inverse trigonometric cotangent of a number.
ACOTH Returns the inverse hyperbolic cotangent of a number.
ASIN Returns the inverse trigonometric sine of a number.
ASINH Returns the inverse hyperbolic sine of a number.
ATAN Returns the inverse trigonometric tangent of a number.
ATAN2 Returns the inverse trigonometric tangent of two coordinates.
ATANH Returns the inverse hyperbolic tangent of a number.
COS Returns the trigonometric cosine of an angle.
COSH Returns the hyperbolic cosine of a number.
COT Returns the trigonometric cotangent of an angle.
COTH Returns the hyperbolic cotangent of a number.
CSC Returns the cosecant of an angle.
CSCH Returns the hyperbolic cosecant of a number.
SEC Returns the secant of an angle.
SECH Returns the hyperbolic secant of a number.
SIN Returns the trigonometric sine of an angle.
SINH Returns the hyperbolic sine of a number.
TAN Returns the trigonometric tangent of an angle.
TANH Returns the hyperbolic tangent of a number.