Name

acos , asin , atan , cos , sin , tan , cot , degrees , radians , atan2 , pi — trigonometric functions

Synopsis

acos ( in x double precision );
 
asin ( in x double precision );
 
atan ( in x double precision );
 
cos ( in x double precision );
 
sin ( in x double precision );
 
tan ( in x double precision );
 
cot ( in x double precision );
 
degrees ( in x double precision );
 
radians ( in x double precision );
 
atan2 ( in x double precision ,
  in y double precision );
 
pi ( );
 

Description

All these functions work with double precision floating point numbers. They convert their argument to an IEEE 64-bit float and return a result of that type.

:  acos arc cosine
:  asin arc sine
:  atan arc tangent
:  cos  cosine
:  sin  sine
:  tan  tangent
:  cot  cotangent
:  degrees  convert an angle in radians to degrees.
:  radians  convert an angle in radians to degrees.
:  atan2  arc tangent with x and y coordinates, can return an angle in any quadrant.
:  pi   return pi.