Rhombus area (trigonometric function)
Hypocycloid ( parametric equation Y- coordinate)
X-Coordinate of the involute of a circle
Damping factor (RLC circuit)
Ratio between two field quantities expressed in decibels
Physical Pendulum
Sauter mean diameter ( surface diameter)
Perimeter of a deltoid
Radius of circumsphere of the regular tetrahedron
Area of an equilateral triangle