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
VER TODAS LAS RESPUESTAS ( 48+ )
Otras preguntas
Before same-sex marriage was legalised, could a trans man and cis woman get married? Was it different if they had surgically transitioned?
Mother needs 7.5 metres of cloth to sew 5 bags. How many metres of cloth must she buy to sew 12 such bags?
A lot has a frontage of 100ft and a depth of 150ft. If the building line regulations call for a setback of 25ft at the front, 10ft at the back, and 6ft on each
Summarize the importance of defining an engineering design problem, and explain how the criteria and constraints of the problem influence the design solution.
Calculate the decay constant, in s ^ - 1 of sodium-24, which has a half-life of 15 h.
Which was the first company to offer streaming audio? Types of Streaming?
5. A map scale is 1: 1,000,000. If the distance between the two cities on a map is 3.5cm, then find the actual distance between the cities in kilometers.
describe how water moves from the soil into xylem of root hairs
How did the 13 colonies contribute to the foundation of the United States? In Essay
A fishing boat can hold fewer than 9 people. How many people (x) can it hold?
