Which equations for the measures of the unknown angles x and y are correct? Check all that apply.

a

x=cos-11

547)

x=sin-1

b

x=tan-11

y=sin 4 5)

y=cos

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box