16 Apr
2015
16 Apr
'15
9:39 p.m.
Did you mean that "." at the end of the LHS to be "..."? Jim Propp On Thu, Apr 16, 2015 at 11:23 PM, David Wilson <davidwwilson@comcast.net> wrote:
x*cos(x/2)*cos(x/4)*cos(x/8)*. = sin(x).
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