sec is the inverse of cos: 1/cos = sec csc is the inverse of sin: 1/sin = csc and tan is the inverse of cot: 1/tan=cot you can easily remember them because their names are also inverses sin & tan's inverse have a co in them cosine already has a co so it's inverse name is sec.
three persimmon image by Aleksandr Ugorenkov from Fotolia.com. Different types of fruit trees grow wild in Kentucky. These wild Kentucky fruit trees produce fruit ranging in size from berries to a much larger fruit that resembles a banana. The trees vary in size, from just larger than shrubs to medium-sized specimens.hese wild Kentucky fruit trees produce fruit ranging in size from berries to a much larger fruit that resembles a banana. The trees vary in size, from just larger than shrubs to medium-sized specimens.
Prunus avium, sweet cherry, also called wild cherry. A cherry is the fruit of many plants of the genus Prunus, and is a fleshy drupe (stone fruit). The cherry fruits of commerce usually are obtained from a limited number of species such as cultivars of the sweet cherry, Prunus avium. The name 'cherry' also refers to the cherry tree, and is sometimes applied to almonds and visually similar flowering trees in the genus Prunus, as in ornamental cherry, cherry blossom, etc.