Asked by monicasyal | 20th May, 2010, 08:49: PM
In ABC, since A and B are acute angles the sides opposite to these angles, are
BC and AC respectively, and AB is hypotenuse.
Since cosA = cosB
BC/AB = AC/AB
BC = AC,
A = B
........... since angles opposite to equal sides in a triangle are equal.
Answered by | 22nd May, 2010, 06:17: PM
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