,9V]SE ,TRIGONOMETRIC
       ,FUNC;NS ,EXAMPLES

#1_4 ,!TA EQUALS ! >CTANG5T ( ;X
  EQUALS ! >C TAN ( ;X IS WRITT5

  .? .K ARCTAN X
     .K ARC TANX

#2_4 ,! 9V]SE COS9E ( Z]O PO9T
  FIVE IS WRITT5 COS^-1 #0.5
#3_4 ,! >CS9E ( "O EQUALS ! >C
  S9E ( "O IS WRITT5
  ARCSIN #1 .K ARC SIN #1
#4_4 ,! 9V]SE TANG5T (! SQU>E
  ROOT ( ?REE IS WRITT5
  TAN^-1 >3]







                              #A