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11-05-2017
Mathematics

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general solution for cos(5x)-cos(2x)=0

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11-05-2017

Simplifying cos(5x) + cos(2x) = 0
(5x) cos * 5x + cos(2x) = 0
5cos * x + cos(2x) = 0 Multiply cos * x 5cosx + cos(2x) = 0
(2x) 5cosx + cos * 2x = 0
5cosx + 2cos * x = 0 Multiply cos * x 5cosx + 2cosx = 0 5cosx + 2cosx = 7cosx 7cosx = 0 Solving 7cosx = 0 Solving for variable 'c'. cosx = 0 Simplifying cosx = 0

Hope this helps!

In short your answer is 0

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