Question

√3tg(-780°)×sin(-1050°)=?

Answer 1

$\sqrt{3} tg(-780а)*sin(-1050а)= \sqrt{3} *(- \sqrt{3} )* \frac{1}{2} =-3*\frac{1}{2}=-\frac{3}{2}=-1,5$

Answer 2

ответ:-1,5..........