I did further reading on the subject matter. This is where I got lost, the problem goes:
In a right spherical triangle (C=90 degrees), A=69 degrees and 50.8minutes, c=72 degrees and 15.4minutes, find B, a, b.
Using Napier's rules, I get
a=63 degrees and 23.8 minutes
b= 47 degrees7.0...