lassie% cc201 sine.c 

lassie% a.out
Enter angle in degrees: 45
The sine of 45.000000 degrees is 0.707106.


lassie% a.out
Enter angle in degrees: 30
The sine of 30.000000 degrees is 0.500000.


lassie% a.out
Enter angle in degrees: 60
The sine of 60.000000 degrees is 0.866025.