The position relationship between the straight line xcos θ + ysin θ + a = 0 and the straight line xsin θ - ycos θ + B = 0 is site:219.226.9.43 What is the position relationship between the straight line xcos θ + ysin θ + a = 0 and the straight line xsin θ - ycos θ + B = 0?

The position relationship between the straight line xcos θ + ysin θ + a = 0 and the straight line xsin θ - ycos θ + B = 0 is site:219.226.9.43 What is the position relationship between the straight line xcos θ + ysin θ + a = 0 and the straight line xsin θ - ycos θ + B = 0?

vertical