sin^4 x + (2 sin^2 x) (cos^2 x) + cos^4 x = 1
for this one, first, i factored and got:
sin^2 x (sin^2 x + 2) cos^2 x (1 + cos^2 x) =1
I don't know if the factoring helped or did anything, but I can't seem to get anything else to get 1.
sin^4 x + (2 sin^2 x) (cos^2 x) + cos^4 x = 1
for this one, first, i factored and got:
sin^2 x (sin^2 x + 2) cos^2 x (1 + cos^2 x) =1
I don't know if the factoring helped or did anything, but I can't seem to get anything else to get 1.