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True-or-False :The equality $\sin A+\sin 2A+\sin 3A=3$ holds for some real value of A

$\begin{array}{1 1}(A)\;\text{True}\\(B)\;\text{False}\end{array} $

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The equality $\sin A+\sin 2A+\sin 3A=3$ holds for some real value of A
This statement is False.
answered May 20, 2014 by sreemathi.v
 

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