Question

Cos 3п / 2 Cos 5п /3 cos 11п /6 sin 3п/2 cos 2п/ 3 sin 3п/ 3 sin 11п/ 6 sin 2п/ 3 помогите решить

Answer 1

Cos(3p/2)=0

cos(5p/3)=1/2

cos(11p/6)=sqrt3/2

sin(3p/2)=-1

cos(2p/3)=-1/2

sin(3p/3)=0

sin(11p/6)=-1/2

sin(2p/3)=sqrt3/2

sqrt-квадратный корень