f(x)= sin 3x - (1/2)sin x, find the period.(adsbygoogle = window.adsbygoogle || []).push({});

i know the period for sin 3x is 2pi/3 and the period of sin x is 2pi but how do you subtract these? I totally forget how to do this! I mean i could find the answer with any graphing program but i want to know how to do this type of problem.

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# Trigonometric function help

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