Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#1 2006-12-18 03:08:36

nareshshah
Guest

Can someone help me with these two sums in complex numbers

1.∑cos nθ/n!
2.∑cos nθ/2^n

#2 2006-12-19 05:59:09

fgarb
Member
Registered: 2006-03-03
Posts: 89

Re: Can someone help me with these two sums in complex numbers

Could you add parentheses please? Otherwise I'm not sure what exactly the questions are. Not sure if I will be able to help until I see where they go.

Offline

#3 2006-12-20 07:51:16

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,588

Re: Can someone help me with these two sums in complex numbers

Does n go from 0 to a number and theta stays a variable?


igloo myrtilles fourmis

Offline

Board footer

Powered by FluxBB