AlexisHarvey999
AlexisHarvey999 AlexisHarvey999
  • 10-12-2020
  • Mathematics
contestada

PLEASE HELP I ONLY HAVE AN HOUR ​

PLEASE HELP I ONLY HAVE AN HOUR class=

Respuesta :

jcherry99
jcherry99 jcherry99
  • 10-12-2020

Answer:

A. I can't quite see the question, but I'm pretty sure it's A

Step-by-step explanation:

Sin(A) = 1/3

Sin^2(A) + Cos^2(A) = 1

(1/3)^2 + cos^2(A) = 1

1/9 + cos^2(A) = 1

cos^2(A) = 1 - 1/9

cos^2(A) = 8/9

cos(A) = √(8/9)

√8 = √(2 * 2 * 2) = 2√2

√9 = 3

cos(A) = 2√2/3

Answer Link

Otras preguntas

GIVING BRAINLIEST Look at the stem-and-leaf plot. What is the mode? A) 0 B) 1 C) 20 D) 31
My pillow was a cloud as I drifted off to sleep after a long day. what is the comapprison?
Describe: How does a virus destroy the host cell’s DNA?
Solve for . Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions. 43 +4 < 92 +8
3. If you were the writer what are you going to change in this advertisement so that it is gender inclusive?​
An asphalt binder is mixed with aggregate and compacted into a sample. The mass of the dry sample is 1173.5 g, the mass of the sample submerged and then surface
WILL GIVE BRAINLINESS PLEASE HELP SO I WONT FAIL Choose one of the following scenarios and answer the questions provided. Support your answers using scientific
It a math study guide plz help me
Can y’all help me with this one?
1) 1/3(x+3)+1/6=1/2(x-1)-(x-3)