algebra/trigonometry

What are the values of theta in the interval 0degrees less than or equal to theta less than or equal to 360 degrees that satisfy the equation tan theta - radical3=0

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asked by Sally
  1. if it is multiple choice you could just plug in the answers for theta and figure out which ones equal 0

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    posted by billy
  2. so just
    tan Ø = √3

    by CAST rule, the tangent is positive in I and III
    so Ø = 60° or Ø = 240°

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    posted by Reiny

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