# If tan x = 0.3, then how do you find tan 2x?

tan 2x = $\frac{6}{91}$
tan2x = $\frac{2 \tan x}{1 - {\tan}^{2} x}$
=$\frac{0.6}{1 - 0.09}$
=$\frac{0.6}{0.91}$
=$\frac{60}{91}$