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sin 2(180/7)+sin 4(180/7)+sin8(180/7) =??? needed full proof

sin 2(180/7)+sin 4(180/7)+sin8(180/7) =??? needed full proof

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

To give full proof we need LHS and RHS defined in problem statements

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