Question

If angle A and angle B are acute angles such that cos A=cos B,then show that angle A =angle B

Answer 1

A. T. Q.
CosA = cosB
And A, B are accute angels.
CosA/cosB = 1
So angle A = angel B.

Answer 2

Answer -

• Refer The Attachment for Answr.

Hope it will help you.