How would I rewrite cos3theta in terms of costheta any help would be much appreciated!

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- January 25th 2011, 01:30 PMabc10Rewriting cos
How would I rewrite cos3theta in terms of costheta any help would be much appreciated!

- January 25th 2011, 01:32 PMdwsmith
- January 25th 2011, 01:47 PMArchie Meade
- January 25th 2011, 01:52 PMabc10
You guys rock!