SOLUTION: How does tan(3pi/4) = tan(-pi/4)?

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Question 920912: How does tan(3pi/4) = tan(-pi/4)?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
How does tan(3pi/4) = tan(-pi/4)?
tan(3π/4)=-1 (in quadrant II in which tan<0)
tan(-π/4)=-1 (in quadrant IV in which tan<0)