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

A winning football team more than doubled the offensive yards gained by its opponent. The opponent gained 272 offensive yards. The winning team had 80 offensiv
50 is what percent of 550?
What is the product? (6r − 1)(−8r − 3) −48r2 − 10r + 3 −48r2 − 10r − 3 −48r2 + 3 −48r2 − 3
What is the product when magnesium reacts with sulfuric acid? mg(s) + h2so4(aq) → studysoup?
the london company and the plymouth company were
How much was john Rolfe's tobacco crop worth?
Which mineral mostly forms through chemical precipitation? A) Salt B) Silicon C) Aluminum D) Clay
What was one way the United States changed because of land grants made to private companies? A) The granted land allowed transportation and communication infras
There are several things that can lead to a person's having a compromised immune system. Which is NOT a likely cause of a compromised immune system? A) AIDS B)
What did the writings of Bartolome de Las Casas reveal about slavery in colonial Spanish America? A) Native American slaves were used more than African slave