State the Sine Rule forĀ  a triagle. Prove, in the usual notation for a triangle ABC. `(a^2-b^2)/c^2 = (sin(A-B))/(sin(A+B))`

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aruv | High School Teacher | (Level 2) Valedictorian

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In a triangle


This is known as Sine rule.












`` =`sin(A-B)/sin(A+B)`


Hence proved.

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