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In a triangleABC a(cos^2B+cos^2C)+cosA(ccosC+bcosB) is equal to? (solve using projection rule)

In a triangleABC  a(cos^2B+cos^2C)+cosA(ccosC+bcosB) is equal to?
(solve using projection rule)

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
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