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

Hello, can you please express this without denominators with the work? [tex] \frac{a^4b}{c^2d^3} [/tex] Thanks a lot!

The sum of the interior angles of a 7-gon is

Which type of government system has a central authority that holds all or nearly all of the power? A) an oligopoly B) a confederation C) a local government D

Which statement is an example of logos that might be used in an argument?

After the completion of the railroad, a major industry in the West was

How many solutions can be found for the equation 5x + 3(x − 1) = 10x − 2x − 3? None One Two Infinitely many PLEASE EXPLAIN I WANT TO KNOW HOW TO DO THIS

One of the parking lot lights at a hospital has a motion detector on it, and the equation (x+10)2+(y−8)2=16 describes the boundary within which motion can be se

If you could not be a professional athlete, singer, or actor, what career would you try to be involved in? how much education is needed for this career? add the

In "The Necklace," why is it important to Mathilde that she be viewed as wealthy when she isn't? A. In her society, only wealthy people are able to find tr

A fourth degree polynomial that has five terms could have five linear factors.