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

(20 points) please give me motivation to study and study tips or test taking tips for finals. it would be greatly appreciated.
A classroom is 24 metres long and 21 metres wide. Find the area of the classroom​
Why is the power of judicial review important
What is the difference between street drugs and illegal drugs?
Mrs. Rodriguez has a blueprint of her new house. The actual living room has a width of 20 feet and a length of 24 feet. If the scale used to make the blueprint
PLS HELP I WILL GIVE YOU 20 POINTS AND BRAINIEST!! Why was Paul a significant figure in Christianity? He helped spread Jesus' teachings to gentiles. He transl
If a line with a slope of -2 crosses the y-axis at (0, 3), what is the equation of the line in slope intercept form
According to the AAMA's definition of medical assistants, MAs work primarily in?​
Formuleaza enunturi cu sinonimele cuvintelor:protectie,ciudate,linistita,ma tangui,raget
Choose the answer. Which best describes the falling action of a story?