NelWashover
NelWashover NelWashover
  • 11-07-2018
  • Mathematics
contestada

{25 POINTS]
The point (3, -4) is on the terminal side of an angle Ø. What is cos Ø?

A.) - 3/5
B.) 3/5
C.) - 3/4
D.) 3/4
E.) 3

Respuesta :

nethp1020pbgwea nethp1020pbgwea
  • 11-07-2018
The point (3, -4) is on the terminal side of the Ø implies that the hypotenuse has a length of 5, by the pythagorean theorem.
Now recall cosØ = x / r where r is the hypotenuse.
So 
cosØ = 3 / 5.
Answer Link

Otras preguntas

2) Choose the best answer. Find the volume of this terrarium. You may use a calculator to find the answer. l = 5 m, w = 1 m, h = 3 m A. 30 m2 B. 15 m3 C. 5 m2 D
Find the length of the third side if necessary write in simplest radical form
convert 2FA.C8 base 16. express in Octal form, Quinary or pental form and Binary form​
write the name of any five specialist agency of uno also define their main functions​
convert 2FA.C8 base 16. express in Octal form, Quinary or pental form and Binary form​
The environment selecting an animal is called evolution by?
Anastasia Subscribe to a website for processing her digital pictures The subscription is $6.25 per month and 4-by -6 inches prints are $ 0.25 each how many pri
Please I am not sure If i am correct
Daniel and Saquon are each saving money. Daniel starts with $50 in his savings account and adds $8 per week. Saquon starts with $65 in his savings account and a
calculate the number of moles in 200 grams of Sodium hydroxide​