Question

$lim_{xto o} frac{sin2x}{tgx}$

Answer 1

$lim_{n to 0} frac{sin2x}{tgx}= lim_{n to 0} frac{sin2x*cosx}{sinx}= lim_{n to 0} frac{2x*1}{x}=2\\P.s.,,,sinx sim x,,, cosx=1,,(xto0)$