To get from point x to point P1 on Mohr's circle, we must rotate CCW through an angle of 2θp. Since the angles in Mohr's circle are doubled, we rotate CCW through an angle of θp in the x-y coordinate system.
To get from point x to point P1 on Mohr's circle, we must rotate CCW through an angle of 2θp. Since the angles in Mohr's circle are doubled, we rotate CCW through an angle of θp in the x-y coordinate system.