100 LET DG=DEG(PI/4)
110 OPTION ANGLE DEGREES
120 PRINT SIN(DG)
130 PRINT COS(DG)
140 PRINT TAN(DG)
150 PRINT ASIN(SIN(DG))
160 PRINT ACOS(COS(DG))
170 PRINT ATN(TAN(DG))
180 LET RD=RAD(45)
190 OPTION ANGLE RADIANS
200 PRINT SIN(RD)
210 PRINT COS(RD)
220 PRINT TAN(RD)
230 PRINT ASIN(SIN(RD))
240 PRINT ACOS(COS(RD))
250 PRINT ATN(TAN(RD))