Posted by Denis Borris on October 11, 2002 at 00:16:13:
In Reply to: Cosine posted by Bob on October 10, 2002 at 23:00:22:
: My book says the cosin of 30 degrees is square root of 3/2
: I get .8666
: What gives? I appreciate any input
That should be 3/4, not 3/2