
I am Cosine
positive in quadrants I and IVnegative in quadrants II and IIIvalue at 0 deg and 360 deg = 1value at 90 deg and 270 deg = 0value at 180 deg = -1cos 30 deg = square root of 3 div by 2cos 45 deg = square root of 2 div by 2cos 60 deg = square root of 1 div by 21 / cos = sec
cos - adj/hyp
x = 63.7 feet
rafalsupertest
irulre 8 years ago
you are list, but your glog is little bad