2 sin^2 60 per cos 30 + sin 60 = ....?

Trigonometri
sin 60 = 1/2 √3
cos 30 = 1/2 √3

2 sin² 60 / (cos 30 + sin 60)=
=2 (1/2 √3)² / (1/2 √3 + 1/2 √3)
= 2 (1/2 √3)(1/2 √3) /  2 (1/2 √3)
= 1/2 √3