Question

sin(5pi/6)+sin(pi/2)+sin(pi/3)+sin(3pi)

Answer 1

½+1+√3/2+0=3/2+√3/2=(3+√3)/2

Answer 2

$sin5pi/6=1/2; sinpi/2=1; sinpi/3=sqrt{3}/2; sin3pi=0$

 

$1/2+1+sqrt{3}/2+0=2+1+sqrt{3}/2=3+sqrt{3}/2$