Question

Finding cos,tan & sin of right triangles.
leave answers in fraction form
1st right triangle - find sin A
AC= 27
CB = 36
AB = 45

2nd Triangle - Find tan A
AC= 12
BC= 5
AB= 13

3rd Triangle - Find Cos B
AB = 41
AC = 40
BC= 9
4th Triangle - Sin A
AC = 27
AB = 45
CB = 36