SOLUTION: Hello! What is the period of y=tan x ? Thank you

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Question 978114: Hello!
What is the period of y=tan x ?
Thank you
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
It is pi radians.
tan x= tan (x+pi)
It has to do with the sin/cos, which in the first quadrant both are positive but in the third, both are negative, so that allows a shorter periodicity.