To get from point x to a point of maximum shear stress, we must rotate CW through an angle of 2θs on Mohr's circle. The angles in Mohr's circle are doubled; therefore, we rotate CW through an angle of θs in the x-y coordinate system.
To get from point x to a point of maximum shear stress, we must rotate CW through an angle of 2θs on Mohr's circle. The angles in Mohr's circle are doubled; therefore, we rotate CW through an angle of θs in the x-y coordinate system.