Question

Прошу помогите =(

 

1) cos (arcsin 0.6)=
2)cos 6x = -((√3)/2)
3) sin x/3 + π/6 = -1
4)√3 * tg(4x+π/4)-2=1
5)cosx ≥ (√3)/2 

Answer 1

1)
2)+-5п+2пN
3)
4)-п/24+пN/4
5)cos€(-п/6+2пN;п/6+2пN)