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

Why did the end of the First World War create the situation that would lead to another war?

Help!!!, combination circuits, Physics

Blue Ribbon taxis offers shuttle service to the nearest airport. You look up the online reviews for Blue Ribbon taxis and find that there are 17 reviews, six of

Suppose you repeatedly roll a fair six-sided die until you roll a 1 (and then you stop). Every time you roll a 2, you lose a points, and every time you roll a 6

pls help me with number 5

Hugh bought some magazines that cost $3.95 each and some books that cost $8.95 each. He spent a total of $47.65. Write an equation that models the situation.

Help please worth 30

Please, i need help, thanks

Avshalom Caspi and his colleagues examined whether ill-temperedness, measured in childhood, predicted significant life outcomes two to three decades later. This

Toni has an amazing ability to adjust to any environment, and she is very good at learning from her mistakes. According to one definition, these specific charac