Sinx-1=0 cos(в квадрате)x-cosx=0

[latex]sinx - 1 = 0[/latex] [latex]sinx = 1[/latex] [latex]x = \frac{ \pi }{2} + 2 \pi n[/latex] [latex]cos^2x - cosx = 0 [/latex] [latex]cosx(cosx - 1) = 0[/latex] [latex]cosx = 1[/latex] ; [latex]cosx = 0[/latex] [latex]x1 = 2 \pi n[/latex] ; [latex]x2 = \frac{ \pi }{2} + \pi n[/latex]