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Questions  >>  CBSE XI  >>  Math  >>  Trigonometric Functions
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Q)

If $\tan \theta=\large\frac{a}{b}$,then $b\cos 2\theta+a\sin 2\theta$ is equal to

$\begin{array}{1 1}(A)\;a&(B)\;b\\(C)\;\large\frac{a}{b}&(D)\;\text{None}\end{array} $

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