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Questions  >>  CBSE XI  >>  Math  >>  Trigonometric Functions
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If $\tan A=\large\frac{1-\cos B}{\sin B}$,then $\tan 2A$=_______

$\begin{array}{1 1}(A)\;\large\frac{1}{2}&(B)\;\tan B\\(C)\;1&(D)\;\tan 2B\end{array} $

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