jkdglane1 jkdglane1
  • 04-04-2018
  • Mathematics
contestada

The point (3, -4) is on the terminal side of an angle Θ . What is cos Θ

Respuesta :

Professor1994 Professor1994
  • 04-04-2018
Point=(3,-4)=(x,y)→x=3, y=-4
cos Θ=?

cos Θ=x/r

r=sqrt(x^2+y^2)
r=sqrt( (3)^2+(-4)^2 )
r=sqrt( 9+16)
r=sqrt(25)
r=5

cos Θ=x/r
cos Θ=3/5

Answer: cos Θ=3/5
Answer Link
dhevannnyahhh
dhevannnyahhh dhevannnyahhh
  • 24-05-2021

Answer:

D.) 3/5

Explanation:

PLATO

Answer Link

Otras preguntas

What is the range of {(1, 2), (3, 4), (5, 6)}?
What is 16/8 as a mixed number
what is 9/25 as a decimal terminating or repeating decimal
55/100 in simplest form?
What is the biggest states when it comes to total area and the number of citizens? Thanks for your answer!
55/100 in simplest form?
What is 1/3 of 9 if u know please tell me thanks
Charlie has x state quarters. Ty has 3 more quarters than Charlie has. Vinnie has 2 times as many quarters as Ty has. Write and simplify an expression to show h
What is 25.2<1.5y+1.2
What is determined by motion and the spacing of particles?