In mathematics, the trigonometric functions (also called the circular functions) are functions of an angle. They relate the angles of a triangle to the lengths of its sides. Trigonometric functions are important in the study of triangles and modeling periodic phenomena, among many other applications.
Yellow stool is typically due to an excess of fatty foods and grease in the diet. Mayo Clinic states that it can also be caused by a malabsorption disorder such as celiac disease.
Yellow Mucus in Stool. Yellow stool may be an indication of the presence of undigested fat in the feces. This may happen as a consequence of pancreatic disorders such as Chronic Pancreatitis that lowers digestive enzyme delivery to the intestines.