Question

Если f(x)=tgx, то f(60°)= ?

Answer 1

Ответ:

$f(60^{\circ}) = tg(60^{\circ}) = \frac{ \sin(60^{\circ}) }{ \cos(60^{\circ}) } = \frac{ \sqrt{3} }{2} \times 2 = \sqrt{3}$