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March 29, 2015

March 29, 2015

Posted by **Norma** on Saturday, November 1, 2008 at 10:52am.

cos^2 è-1/4 cos è -1

- trig -
**drwls**, Saturday, November 1, 2008 at 12:29pmIt is unclear what you mean by "lowest term"

That expression has three terms. Whatever the value of è is, the lowest term is -1. cos^2 è cannot be less than zero.

-1/4 cos è cannot be less than -1/4

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