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

The value of $\tan 1^{\circ} \tan 2^{\circ} \tan 3^{\circ}....... \tan 89^{\circ}$ is ________

$\begin{array}{1 1}(A) \; 0 \\(B)\; 1 \\(C)\;2 \\(D)\;none \end{array}$

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