Question

finding exact measures

Answer 1

so I set up the proportion sin64=a/12

Answer 2

got a=12sin64

Answer 3

so try
12 sin 64 for 'a'

Answer 4

I got 10.78... since it wants exact I wrote 11 but it's wrong for some reason

Answer 5

its correct,
but i guess they need answer as "12 sin 64" only

Answer 6

or "12 cos 26"

Answer 7

and for b it would be 12sin64

Answer 8

thats a

for b, 12 cos 64 or 12 sin 26

Answer 9

ok :) I just mixed up the two angles

Answer 10

did you get it?

Answer 11

Ac3 yep :)

Answer 12

good job just remember that when it wants exact values don't evaluate your answer just leave it in eqaution form.