RosettaCodeData/Task/Trigonometric-functions/Zkl/trigonometric-functions.zkl

(30.0).toRad().sin()  //-->0.5
(60.0).toRad().cos()  //-->0.5
(45.0).toRad().tan()  //-->1
(0.523599).sin()      //-->0.5
etc

(0.5).asin()         //-->0.523599
(0.5).acos()         //-->1.0472
(1.0).atan()         //-->0.785398
(1.0).atan().toDeg() //-->45
etc