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.
Popcorn cassia is a tropical plant, which is evident in its feathery, ferny foliage. The shrub's buttery yellow flowers spring from black buds in spring through late summer. Arrayed along a tall flower spike, the flowers on the bottom open first. Popcorn cassia is can grow 25 feet tall but typically tops out at 6 to 10 feet. Where to Plant A perennial plant, popcorn cassia grows in U.S. Department of Agriculture plant hardiness zones 9 through 11. If you live in a lower USDA zone, you can treat it as an annual. It requires a spot in full sun with consistently moist, well-drained soil. It bears seeds prolifically and the seeds travel and infest waterways, woodlands and grasslands.