1.

If $tan7\theta tan2\theta$ = l, then the value of $tan3\theta$ is1). $\sqrt{3}$2). $-\frac{1}{\sqrt{3}}$3). $\frac{1}{\sqrt{3}}$4). $-\sqrt{3}$

Answer»

$-\frac{1}{\SQRT{3}}$ : SEEMS correct



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