M Marc New member Joined Oct 3, 2006 Messages 1 Oct 3, 2006 #1 This is the identity problem sin^2(x)+tan^2(x)+cos^2(x)=sec^2(x) sin^2(x)+cos^2(x)=1 tan^2(x)+1=sec^2(x) sec^2(x)=sec^2(x)
This is the identity problem sin^2(x)+tan^2(x)+cos^2(x)=sec^2(x) sin^2(x)+cos^2(x)=1 tan^2(x)+1=sec^2(x) sec^2(x)=sec^2(x)
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Oct 3, 2006 #2 With what are you struggling? It look slike you have it. Maybe you just didn't believe it was that easy?
With what are you struggling? It look slike you have it. Maybe you just didn't believe it was that easy?