Pre Cal

the function y= tan (x/3) has an x intercept at?

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  1. tan(x/3) = 0
    x/3 = 0 or x/3 = ±180° or x/3 = ±360° or .....
    x = 0 , ±540° , ±1080° ....

    or

    x = 0, ±3π, ±6π ...

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