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

4. A box is 20 inches wide and 8 inches tall. If we increase the width to 50 inches, how tall will it be?
Suppose country X partially specializes in the production of only two goods, food and clothing. At the initial free trade equilibrium, the country produced 40 u
Which of the following is the most important step to take when gathering information online? check date of publication O agree with information O verily informa
Which individual or group best completes the diagram, which represents the hierarchal structure of the federal bureaucracy? ? Cabinet secretarie Executive depar
Convert 4,300 inches into miles.
Which of the following is an input (taken in) to photosynthesis? Select one: glucose sugar carbon dioxide oxygen
Which of the following is the best summary of "Cereal"?
What is the value of x?
Which chemical bond most likely stores the most energy?
What did the first continental congress decide A: to demand rights and to protect taxes B: to go to war for independence from Britain C: to pay any taxes impos