Question

Calcule a tangente de 240

Answer 1

Olá, Carol.

$\tan 240\º=\tan(180\º+60\º)=\frac{\tan180\º+\tan60\º}{1-\tan180\º\tan60\º}=\\\\=\frac{0+\sqrt3}{1-0\cdot\sqrt3}=\boxed{\sqrt3}$