jrock1020cowanjo jrock1020cowanjo

21-05-2017
Mathematics

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2-3 cos x = 5+3cosx for 0 < x < 180

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IGotChillsTheyreX IGotChillsTheyreX

21-05-2017

Let's combine like terms onto one side by adding 3cosx and subtracting 5 to get:

-3 = 6cosx

Divide both by 6

-1/2 = cosx

Between 0 and 180, cos is -1/2 at 120 degrees.

I hope this Helps!

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