Flag Trigonometry> In a triangle ABC,prove that sin3Asin(B-C...
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Shaikh Shamim Akhtar , 10 Years ago
Grade Select Grade
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Saurabh Koranglekar

Last Activity: 5 Years ago

Dear student

Please approach using

( Sin A/ a) = ( sin B / b ) = ( sin C / c) = k

Expand sin 3A = 3ak - 4 ( ak)^3

If doubt still persists kindly revert for complete solution

Regards

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