Question

if cos a = 1/2 sin B = 1/2 then find the value of (a and B)

Answer 1

Cosa= 1/2
But cos60° = 1/2 then a= 60
Same B =30°

Answer 2

CosA=1\2 Cos60=1\2. Therefore A=60 . SinB=1\2. Sin30=1\2. Therefore B=30