Question

>>> import math
>>> math.sin(68)
-0.897927680689

But sin(68) = 0.927 (3 decimal places)

Any ideas about why I am getting this result?

Answer 1

math.sin expects its argument to be in radians, not degrees, so:

>>> import math
>>> math.sin(math.radians(68))
0.927183854567

For reference, see help(math.sin): "Return the sine of x (measured in radians)."
Or the documentation: "Return the sine of x radians."