Question 811614
Solve tan^2(x)=(1/3) for x on [0,2pi] 
-------
Take the sqrt of both sides to get:
tan(x) = 1/sqrt(3) or tan(x) = -1/sqrt(3)
------
x = pi/6 or (7/6)pi or (5/6)pi or (11/6)pi
=========================
Cheers,
Stan H.
=========================