Which equations for the measures of the unknown angles x and y are correct? Check all that apply.
X
x= cos-lla)
a
sin-1
b
x = tan
Urd
y=sin" (a)
y
y = cos
cos-)

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.