SOLUTION: use the unit circle to determine the value of tan (-17 Pi)

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Question 799159: use the unit circle to determine the value of tan (-17 Pi)
Answer by Alan3354(69443) About Me  (Show Source):
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use the unit circle to determine the value of tan (-17 Pi)
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Add 2pi repeatedly until it's positive.
-17pi + 18pi = pi
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tan(pi) = 0