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.
Japanese cherry (Prunus serrulata) in bloom. The genus Prunus includes the almond, apricot, cherry, peach and plum, all of which have cultivars developed for commercial fruit and nut production. The edible part of the almond is the seed; the almond fruit is a drupe, not a true nut. Many other species are occasionally cultivated or used for their seed and fruit.