NelWashover
NelWashover NelWashover
  • 11-07-2018
  • Mathematics
contestada

{25 POINTS]
The point (3, -4) is on the terminal side of an angle Ø. What is cos Ø?

A.) - 3/5
B.) 3/5
C.) - 3/4
D.) 3/4
E.) 3

Respuesta :

nethp1020pbgwea nethp1020pbgwea
  • 11-07-2018
The point (3, -4) is on the terminal side of the Ø implies that the hypotenuse has a length of 5, by the pythagorean theorem.
Now recall cosØ = x / r where r is the hypotenuse.
So 
cosØ = 3 / 5.
Answer Link

Otras preguntas

look at the data in the table to the right then answer the question that follows based on the data in the table what conclusion can you draw about the energy ne
evaluate x — + 6(x-12) when x=12 4
Solve the equation 12x+6y= 24 for x.
Edward has deposited $847 in a savings account that earns interest at a rate of 2.2% compounded daily. What will the account balance be in 18 years
Your friend is starting a company and wants to identify the job their product will do for people. What advice would you give them
An element has an atomic mass number of 16 and an atomic number of 7. The element has _ protons and _ neutrons
23,900 Write each number in scientific notation.​
What was the first animal to orbit the earth? rat monkey pig dog
Factor 11x(x-2)+3(x-2)
Uun element full name