trigonometric identities that contain a combination angle, e.g. sin (A + B).
the sum of the areas of all the planes of a three-dimensional object.
interest accumulated and calculated on previously accrued interest.
the individual numbers or components in a sequence that are denoted T1; T2; T3; etc.
non-terminating, non-recurring fractions. The set of irrational numbers is a subset of the real...