Attachment 21244

if you did not see the image please inlarge ctrl+

any idea that help in proving this equality is appretiated.

Thanks

Printable View

- Mar 24th 2011, 02:53 AMmia25Prove the following equality
Attachment 21244

if you did not see the image please inlarge ctrl+

any idea that help in proving this equality is appretiated.

Thanks - Mar 24th 2011, 04:10 AMProve It
Substitute the MacLaurin series for $\displaystyle \displaystyle e^z, e^{-\frac{1}{2}z}$ and $\displaystyle \displaystyle \cos{\frac{z\sqrt{3}}{2}}$ into RHS and simplify...