Question

please help!!!!!
Find cos O If sin 0 = 0.56.

Answer 1

\[\sin^2 \theta + \cos^2 \theta = 1\]

Answer 2

\[\cos \theta = \sqrt{1 - \sin^2 \theta}\]

Answer 3

\[\cos \left(\sin ^{-1}(0.56)\right)=0.828493 \]

Answer 4

That's what I got too

Answer 5

thank you so much!!!

Answer 6

I guess robotobey's solution is better :P