1. Re: Trig and things
- Posted by Lee woo seob <wslee at HHI.CO.KR> Nov 20, 1997
- 518 views
Mark wrote: > > > /| > / | > / |a > / _| >/______|_| >A b C > >Lengths a and b are known, and angle C is 90 degrees. >I need to find angle A. > answer: A = arctan(a/b) -- A is in radian hope this help from Lee, woo seob.