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If A + B + C= 0 , then the value ofSin^2 A + cos C (cos A cos B – cos C) + cos B (cos A cos C– cos B) =

If A + B + C= 0 , then the value ofSin^2 A + cos C (cos A cos B – cos C) + cos B (cos A cos C– cos B) =

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
Dear student

There is no restriction that A is not equal to B not equal to C kindly assume 0 and solve

0 + 1(1-1)+1(1-1) = 0

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