Hello,
I really need help with simplying these terms.thanks...i am having alot of trouble with ..(cosθsinēθ+cosēθsinθ
rģ(cosθsinēθ+cosēθsinθ)+rtē(cosθ+sinθ)+rtē(cosθ+si nθ)+rēt)rdrdθdt
Hello, ..(cosθsinēθ+cosēθsinθ[COLOR=#000000][FONT=Lucida Sans Unicode]
I presume this is the part you need help with and I presume you are trying to do an integral, so do the integral over theta using individual terms. Each is a simple substitution problem.