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if A=2 π/7 then find the value of sin 2A +sin 4A +sin 8A

if A=2π/7
then find the value of sin 2A +sin 4A +sin 8A

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
2 years ago
Dear student

Value is 1.3287

Regards

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