If angle A and angle B are acute angles such that cos A = cos B, then show that angleA= angle B.
Answers
Answered by
2
Step-by-step explanation:
According to the question:-
Let cosA=
Hypotenuse
sideadjacentA
AB
AC
Similarly,
cosB=
Hypotenuse
sideadjacentB
=
AB
BC
Given that
cosA=cosB
AB
AC
=
AB
BC
AC=BC
In triangle,
angles opposite equal side are equal
∠B=∠A
Answered by
2
Answer:
How To inbox someone...............
Similar questions