SOLUTION: What is the exact value of tangent(-510)?

Question 310786: What is the exact value of tangent(-510)?
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
tan(-510) = tan(-510 + 720) = tan(210)
tan is + in the 3rd quadrant
= tan(30)
= sqrt(3)/3

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Rotate the arrow in the negative direction (clockwise)

This leaves a 30 degree angle with the minus x-axis
The tangent in this quadrant is (-)/(-) = (+)

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