In a triangle ABC,
(b^2 - c^2) / (b^2 + c^2) = sin(B - C) / sin(B + C), prove that it is either a right-angled or isoceles triangle.
Asked by kandappan | 13th Feb, 2020, 01:40: PM
It is given that
(b2 - c2)/(b2 + c2) = sin(B - C)/sin(B + C)
To prove that triangle ABC is either a right-angles or isosceles triangle.
Answered by Renu Varma | 13th Feb, 2020, 03:14: PM
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