How Expand?
- To: mathgroup at smc.vnet.net
- Subject: [mg127820] How Expand?
- From: "news" <news at newsfe13.iad.highwinds-media.com>
- Date: Fri, 24 Aug 2012 05:04:32 -0400 (EDT)
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- Reply-to: "MedStat" <MedStat at shaw.ca>
Hi folks, How can I expand the following : [ 1 + cos(x) + i sin(x) ]^3 to obtain; 8 cos(x/2)^3 [cos(3x/2)+ i sin(3x/2)] Thanks a lot. Max.