algebra/trigonometry

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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

• algebra -

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

• algebra/trigonometry -

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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