Math Help - Simplyfying large trigonmetric expressions.

anyone know a website that will simplify massive trignometric expressions down into simply ones?

e.g.

(-(sin(x))^4*cos(2x))/4 + ( (((sin(x))^2 +2)*cos(x)*sin(2x))/6 = 0

thank you so much.

Originally Posted by jblorien

anyone know a website that will simplify massive trignometric expressions down into simply ones?

e.g.

(-(sin(x))^4*cos(2x))/4 + ( (((sin(x))^2 +2)*cos(x)*sin(2x))/6 = 0

thank you so much.

try the "simplify page" here

there were some other sites, none of which i can remember right now. if you're feeling lucky, you can browse the useful websites forum

i didni't have any luck... any other ideas?