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If a+b+c=180° ,then cos^3(b-c)sin3a = please answer

If a+b+c=180° ,then cos^3(b-c)sin3a = please answer

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
3 years ago
Dear student

If you assume equilateral triangle answer is zero

if you take 90, 45, 45 answer is -1

there is no way to find unique solution based on given information

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