1.

Prove that usingthe Mathematicalinductionsin ( alpha ) + sin ( alpha + pi/6) + sin ( alpha + ( 2pi)/6) + ..+ sin ( alpha + ((n-1)pi)/6) = ( sin [ alpha +((n-1)pi)/12] xx sin ( (npi)/12))/(sin (pi/12))

Answer»

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ANSWER :p( K +1)


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