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OpenStudy (anonymous):
cosx-(3/18)cos(3x)=0, solve for x. (medal will be given) Show steps.
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OpenStudy (anonymous):
@jim_thompson5910
OpenStudy (anonymous):
@Loser66
OpenStudy (loser66):
it's really a mess. http://www.wolframalpha.com/input/?i=cos+%28x%29+-%283%2F18%29+cos+%283x%29%3D0
OpenStudy (anonymous):
Can you show the steps?
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