Question

вычислите 2√3 sin 19 Пи/3 sin 17Пи/6

Answer 1

sin19 p/3=sin p/3=√3/2
sin 17 p/6=sin p/6=1/2
2√3*√3/2*1/2=√3*√3*=1/2=3/2=1.5