Posted by gopi on Friday, December 28, 2012 at 4:09am.
tanx=1/1,tany=1/3 then cos2x=sin2y

trignometry  Steve, Friday, December 28, 2012 at 4:54am
x = pi/4, so cos2x = 0
since y ≠ pi/2, sin2y ≠ 0
I suspect a typo somewhere
Posted by gopi on Friday, December 28, 2012 at 4:09am.
tanx=1/1,tany=1/3 then cos2x=sin2y
x = pi/4, so cos2x = 0
since y ≠ pi/2, sin2y ≠ 0
I suspect a typo somewhere