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If A+B+C=pi, prove that : (cosA)/(sinb s...

If `A+B+C=pi`, prove that : `(cosA)/(sinb sinC) + (cosB)/(sinC sin) + (cosC)/(sinA sinB) =2`.

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To prove the equation \[ \frac{\cos A}{\sin B \sin C} + \frac{\cos B}{\sin C \sin A} + \frac{\cos C}{\sin A \sin B} = 2 \] given that \( A + B + C = \pi \), we can follow these steps: ...
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