,TRIGONOMETRIC ,FUNC;NS
           ,EXAMPLES

#1_4 ,! COSECANT ( NEGATIVE
  ?IRTY DEGREES IS EQUAL
  6NEGATIVE TWO IS WRITT5
  CSC (-30^.*") .K -#2
#2_4 ,! TANG5T ( OP5 FRAC;N ?REE
  PI OV] F\R CLOSE FRAC;N EQUALS
  NEGATIVE "O IS WRITT5
  TAN ?3.P/4# .K -#1
#3_4 ,! COTANG5T ( ;X EQUALS OP5
  FRAC;N COS9E ( ;X OV] S9E ( ;X
  CLOSE FRAC;N IS WRITT5
  COT X .K ?COS X/SIN X#
#4_4 ,SECANT SQU>$ !TA M9US #1
  EQUALS TANG5T SQU>$ !TA IS
  WRITT5
  SEC^2 (.?)-1 .K TAN^2 .?





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