Question

If angle A and angle B are acute angles such that cosA =cosB , then show that angle A = angle B.......
please don't write anything useless if you don't know the answer​

Answer 1

Answer:

ln right angled triangle ABC right angled at C

CosA=CosB

AC/AB=BC/AB

AC=BC

•°• <A=<B

(angles opposite to equal sides are equal)

HENCE PROVED