thegunner
5,000+ posts
XXX = Audio ***
yeah, thats right, i just have trouble with the double angle and half angle identities,Originally posted by RangerMan Let me see if I remember correct
y/r= sin
x/r=cos
y/x=tan
r/y=csc
r/x=sec
x/y=cot
Am I right???
cos2(thetaA)+(thetaB)=cos(thetaA)cos(thetaB)-sin(thetaA)sin(thetaB)
those ones blow
