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

If $2 cosec^2 30^{\circ} + x \sin^2 60^{\circ}- \large\frac{3}{4} $$\tan^2 30 =10$ then the value of x is ________

$\begin{array}{1 1}(A) \; -3 \\(B)\; +3 \\(C)\;\pm 3 \\(D)\;0 \end{array}$

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