Question 671967
Use a graph to solve the equation on the interval [-2π, 2π]. TanX = 1
And TanX = √3
**
Draw a graph of tan(x) with domain  [-2π, 2π]
..
tan(x)=1 
at -7π/4, -3π/4, π/4 and 5π/4
..
tan(x)=√3 
at -5π/3, -2π/3, π/3 and 5π/3