10 LET P = 3.14159265
20 DEF FND(X) = X*P/180.
30 DEF FNS(X)=SIN(FND(X))
40 DEF FNC(X)=COS(FND(X))
50 PRINT "DEGREES","SINE","COSINE"
60 FOR X = 0 TO 90 STEP 10
70    PRINT X,FNS(X),FNC(X)
80 NEXT X
99 END
                                                                                                                                                                                                                                                                                                                                                                                                                                         