Talk:Cosine to Power of Odd Integer

I changed the exponent to $2n+1$ from $2n-1$ because I think the formula is cleaner, hope that's OK --Ybab321 (talk) 13:43, 19 August 2013 (UTC)
 * No worries.
 * The OCD completist in me wonders whether we could post both forms up. --prime mover (talk) 15:10, 19 August 2013 (UTC)