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Questions  >>  Olympiad-Math  >>  Class 10
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Q)

If $ \tan \theta = \large\frac{20}{21}$ then $ \large\frac{1-\sin \theta + \cos \theta}{1+\cos \theta +\sin \theta}$

$\begin{array}{1 1}(A) \; \large\frac{6}{7} \\(B)\;\large\frac{5}{7} \\(C)\;\large\frac{4}{7} \\(D)\; \large\frac{3}{7} \end{array}$

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