added raden launch

library/lib_hyperbolic_trigonometry.ks

@@ -0,0 +1,45 @@
+// lib_hyperbolic_trigonometry.ks provides the usual hyperbolic functions and their inverses.
+// Copyright © 2021,2023 KSLib team 
+// Lic. MIT
+
+@lazyglobal off.
+@clobberbuiltins off.
+
+function cosh {
+  parameter x.
+  
+  local toRadian to x * constant:degToRad.
+  return (constant:e^toRadian + constant:e^(-toRadian)) / 2.
+}
+
+function sinh {
+  parameter x.
+  
+  local toRadian to x * constant:degToRad.
+  return (constant:e^toRadian - constant:e^(-toRadian)) / 2.
+}
+
+function tanh {
+  parameter x.
+  
+  local toRadian to x * constant:degToRad.
+  return (1 - constant:e^(-2 * toRadian)) / (1 + constant:e^(-2 * toRadian)).
+}
+
+function arccosh {
+  parameter n.
+  
+  return ln(n + sqrt(n + 1) * sqrt(n - 1)) * constant:radToDeg.
+}
+
+function arcsinh {
+  parameter n.
+  
+  return ln(n + sqrt(1 + n^2)) * constant:radToDeg.
+}
+
+function arctanh {
+  parameter n.
+  
+  return (ln((1 + n) / (1 - n)) / 2) * constant:radToDeg.
+}