4sin45 градусов + 3 tg30радусов +ctg30градусов + 10 cos60градусов -4cos45градусов

4.sin45°+3.tg30°+cotg30°+10.cos60°-4.cos45°=
=4.√2/2+3.√3/3+√3+10.1/2-4.√2/2=
=2√2+√3+√3+5-2√2=2√3+5