a) t=+-arccos(√ 3 /2)+2pi*n, n - Z
t = +-pi/6+2pi*n, n - Z
б) t=(-1)^(n+1)*arcsin(1/2)+pi*n, n - Z
t=(-1)^(n+1)*pi/6+pi*n, n - Z
a) t=+-arccos(√ 3 /2)+2pi*n, n - Z
t = +-pi/6+2pi*n, n - Z
б) t=(-1)^(n+1)*arcsin(1/2)+pi*n, n - Z
t=(-1)^(n+1)*pi/6+pi*n, n - Z