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June 09, 2024, 05:33:08 pm

Author Topic: cos(x)+cos(3x)=1/2  (Read 2260 times)  Share 

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mikee65

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cos(x)+cos(3x)=1/2
« on: November 04, 2010, 07:55:42 pm »
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Can someone pleasee explain how to work this by hand cos(x)+cos(3x)=1/2   :idiot2: :idiot2:

n.f

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Re: cos(x)+cos(3x)=1/2
« Reply #1 on: November 04, 2010, 08:09:47 pm »
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