Hi just worked through this question:

Solve the equation:

$\displaystyle tan(x) = 3sin(x)$

for $\displaystyle -180 < 0 < 180$

I get cos(x) = 1/3

and x = +- 70.5

The answer says it's also +- 180 which makes sense but i wondered how this second result can be found?

Thanks