8х-7х+10=12
х+10=12
х=12-10
х=2
Однородное уравнение 2-го порядка. Делим на cos^2x
Количество корней равно БЕСКОНЕЧНОСТИ.
"На отрезке? да принадлежащих отрезку [0;360]"
pen = CreatePen(PS_SOLID, 1, RGB(100, 100, 100)); system_pen = (HPEN)SelectObject(hdc, pen); brush = CreateSolidBrush(RGB(100, 100, 100)); system_brush = (HBRUSH)SelectObject(hdc, brush);
Rectangle(hdc, x_square - 2, y_square - 2, x_square + 2, y_square + 2);
SelectObject(hdc, system_pen); SelectObject(hdc, system_brush); DeleteObject(system_pen); DeleteObject(system_brush);
x_square_old = x_square; y_square_old = y_square;