trig
posted by trey .
whats 21° 44' 3" as a decimal to the nearest thousandth of a degree

1 ' = 1 ° / 60
1 " = 1 ' / 60 = 1 ° / 3600
21° 44' 3" =
21 + 44 / 60 + 3 / 3600 =
21 + 0.733333 + 0.000833 =
21.734166
21° 44' 3" = 21.734
rounded to the nearest thousandth of a degree