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 7.3 billion divided by 7?
The infinitive is the most versatile verb form because it can be used as
What is the falling action in the rogue wave?
Write an expression for the calculation double 7, multiply 3 and 1, and then subtract the second number from the first number
What is the different between child growth and child development?
Sarah's craft project uses pieces of yarn that are 1/8 yard long she has a piece of yarn that is 3 yards long how many 1/8 yard pieces can she cut and still hav
Solve the system of equations. 5x+9y+9z=5 4x+9y+6z=10 2x+2y+5z=9 Answer choices: a. x=116, y=8,z=-21 b. x=82, y=-10, z=9 c. x=-116, y=28,z=37 d. x=6,y=-14,z=1
Eight less than a number is no more than 14 and no less than 5
David typed 210 words in 30 minutes. What is her rate of typing?
how do scientists develop scientific explanations about subjects that are impossible to study through controlled experiments?