$\displaystyle sec^2x * tanx = 2tanx$
in [0, 360) interval
find degree of x
Do I subtract 2tanx then use tan^2+1 = sec?
Yes, thanks.. but i did it like this and it worked....
$\displaystyle sec^2x * tanx = 2tanx$
and i divided tanx from the both sides and got..
$\displaystyle tan^2x+1=2$ then..
$\displaystyle tan^2x=1$and finally..
$\displaystyle tanx=+/-1$
That way can work too right?