Question

if tan X=5,then tan (2x)=.......​

Answer 1

Thanks for free points

Answer 2

$\tan(2x) = 2 \tan(x) \div 1 - \tan {}^{2} (x) \\ = \frac{2 \times 5}{1 - 25} \\ = \frac{10}{ - 24} \\ = - \frac{5}{12}$