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

Answer:

the answer is a*b this is your answer

Step-by-step explanation:

hope it is help you

Answer 2

Answer:

cosA= cosB

cos will be cancelled from both sides i.e L.HS AND R.H.S

Then,

A=B..

Hence proved.