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.
ABCs of Poop continued... Stool that is light in color -- like grey clay -- can also mean trouble if itâs a change from what you normally see. Although it doesnât happen often, very light-colored stool can indicate a block in the flow of bile or liver disease.