4tan(x) = 6 [ 2tan(x)/1 - tan2(x) ]
Let tan(x) = a
4a (1 - a2) = 12a
1 - a2 = 12a/4a
1 - a2 = 3
therefore, a2 = -2
Which doesn't seem right?
Help would be appreciated, the solutions are 0, pi and 2pi
And how do people type in that math text??!
Thanks in advance