Question

Find angle A in the following triangle.


http://i729.photobucket.com/albums/ww292/akatushi101/A2_5_4_Quiz_14.jpg

Answer 1

\[\sin(A)=\frac{opposite}{hypotenuse}\]\[\cos(A)= \frac{adjacent}{hypotenuse}\]\[\tan(A)=\frac{opposite}{adjacent}\]

Answer 2

30 degrees

Answer 3

so it is sin ^-1 4/7?

Answer 4

:O 7?
\[\sin^{-1} (\frac{2}{4})\]

Answer 5

sorry i meant 2/4

Answer 6

yeah