If 
are acute angles such that cos A = cos B, then show that 
.
In a right angled triangle ABC,
We have, opposite sides of equal angles are equal. Therefore, In a right angled triangle ABC
33
If are acute angles such that cos A = cos B, then show that .
In a right angled triangle ABC,
We have, opposite sides of equal angles are equal. Therefore, In a right angled triangle ABC