De4kTamaman
De4kTamaman De4kTamaman
  • 11-06-2016
  • Mathematics
contestada

If the value of sinx=0.42, what is cos x?

Respuesta :

Tareki
Tareki Tareki
  • 13-06-2016
from the relation of 
sin(x)^2 + cos(x)^2 = 1 
(0.42)^2 + cos(x)^2 = 1 
cos(x)^2 = 1 - (0.42)^2 
cos(x) = √(1-(0.42)^2)
cos(x) = 0.9075
Answer Link

Otras preguntas

ome help rn Why did the Senate assassinate Caesar? Question 7 options: A) They were jealous of his popularity B) They didn't like his reforms, and thought he
Allen is preparing a pie chart for the Empty Stocking Fund to show the proportionate low spending on administrative overhead as compared with services for child
Help solve ? Need answer soon
PLEASE HELP I NEED THE ANSWER!!???
What two tests can you do easily at home to test the fitness of your cardiovascular and respiratory systems? - Step Test & One Mile Run - Push Ups & One
Which steps in the power plant process rely on potential energy? Which steps rely on kinetic energy? Why?
Convert 0.0000001 to a power of 1 PLZ ANSWER FAST WILL MARK BRAINLIEST
Describe the secret that felt like a knife cutting into Brian why was this thought so upsetting to him?
if a rock has a mass of 736,000g, what is the mass in kg
4r - 10s? can someone please help me with my math homeowrk?