Question

Given cos A = .29 find the angle A in radians. Round your answer to the nearest hundredth.


1.28 radians

1.34 radians

1.46 radians

1.19 radians
Can someone help me with this when you do it in a calculator you do inverse cosine right?

Answer 1

yes inv cos(.29) then multiply by pi/180 to go from degrees to radians

Answer 2

unless your calculator had a radians mode

Answer 3

so you would get 1.28 ?

Answer 4

yes

Answer 5

thanks