cspence2019 cspence2019

04-03-2017
Mathematics

contestada

If the sin 30 degrees is 1/2, then the cos

Respuesta :

wolf1728 wolf1728

04-03-2017

Sin 30 degrees = 1 / 2 = opposite / hypotenuse
Adjacent^2 = hyp^2 - opp^2
Adj^2 = 4 - 1
Adj^2 = 3
Adj = sq root (3)
cosine 30 degrees = adjacent / hypotenuse
cosine 30 degrees = sq root (3) / 2
cosine 30 degrees = 1.732 / 2
cosine 30 degrees = .866

Answer Link

Otras preguntas

Summer, an excerpt by Amy Lowell Some men there are who find in nature all Their inspiration, hers the sympathy Which spurs them on to any great endeavor,

At a waterpark, sleds with riders are sent along a slippery, horizontal surface by the release of a large, compressed spring. The spring with a force constant 3

Jessica was caught shoplifting at a department store both by employees who witnessed the act and by cameras in the store. The store's management may hold her as

(-3) + (-2) - (-4) please help please help please help

After purchasing an expensive pair of shoes, you may question whether or not the shoes are any better than the less expensive shoes you could have purchased ins

X^2 + y^2 + 6x -8y -11=0 in standard form

If the measure of angle T is 95 degrees and the measure of angle S is 100 degrees, then the measure of angle R is ___ degrees and the measure of angle Q is ___

If you stretch a rubber hose and pluck it, you can observe a pulse traveling up and down the hose. What happens to the speed of the pulse if you stretch the hos

Some children are naturally easygoing and cheerful, whereas others are irritable and fussy, or pensive and quiet. This basic, innate disposition that children a

The level of nitrogen oxides (NOX) in a exhaust of cars of a particular model varies normally with mean 0.25 grams per miles and standard deviation 0.05 g/mi. g