An old brick has a natural cavity on one side, providing a cool daytime slug hiding place. Look under any you have around the garden and dispose of the slugs found sheltering. Purposely position a few to create slug shelters, and check daily. A brick also makes a handy squishing implement.
Q Angle of the Knee. The Q angle of the knee is a measurement of the angle between the quadriceps muscles and the patella tendon and provides useful information about the alignment of the knee joint.
The tan q and sec q are defined by a triangle whose height is tangent to the unit circle at the point (1, 0) and whose hypotenuse is on the terminal side of the angle. The cot/csc Triangle. The cot q and csc q are defined by a triangle whose height is one and whose hypotenuse is on the terminal side of the angle.