SIn(200 arcsin(-0.5)

Question

SIn(200 arcsin(-0.5)

Answer 1

SIn(200 arcsin(-0.5))=sin(-200arcsin 0,5)=-sin(200π/6)=-sin(100π/3)=
=-sin(34π-2π/3)=-sin(-2π/3)=sin(2π/3)=√3/2.