Question

2 tan(3x)=2 over the interval [0,2pi)

Answer 1

\[
\tan(3x)=1
\]Now we let \(u=3x\): \[
\tan(u) = 1
\]Solve this, and you get?

Answer 2

We get \(u=\pi/4\) and \(u=5\pi/4\).

Answer 3

This means: \[
3x = \pi/4,\quad 3x=5\pi/4
\]

Answer 4

@jonbriley Do you follow?