Question

!!!!!!!!!!! 9sin120 * tg30 !!!!!!!!!!!!!

Answer 1

$sin120= frac{ sqrt{3} }{2}$

tg30=$frac{ sqrt{3} }{3}$

$9* frac{ sqrt{3} }{2} * frac{ sqrt{3} }{3} =9* frac{3}{6} =9* frac{1}{2}= frac{9}{2} =4,5$