** **

Question # IEKA 2 and

# IEKA 2 and ** **

Solution A ( quad begin{array}{c}text { (AA) } cos B text { (ginen) } cos A=frac{A C}{A B} & O C B & cos B=frac{B C}{A B}-0end{array} )
feom (1) and 2 , we get ( frac{A C}{A B}=frac{B C}{A B} )
( A C=B C )
( Rightarrow angle A=angle B )

Solution