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

Which of the following elements will not easily react with other elements? Explain why? – Carbon, Hydrogen, Nitrogen, Helium.
If caught in a heavy storm while mountain climbing , you might look for a haven. True or False
which of these are a producer? Moth,Mushroom,Fern,Cheetah
Following the Emancipation Proclamation, African Americans aided the Unionwar effort by:
A large apartment complex has 1,500 units, which are filling up at a rate of 10% per month. If the apartment complex starts with 15 occupied units, how many mon
Describe how the variability of the distribution changes as the sample size increases.
Miles is a licensed agent who represents Colgate Health and its Medicare Advantage (MA) plans. Miles has several clients who have recently come to him for help.
Help please! A new element with atomic number 116 was discovered in 2000. In 2012 it was named livermorium, Lv. Although Lv is radioactive and short-lived, its
Technological advances developed in World War I included
Need help to understand how to do this.