JEE MAIN - Mathematics Hindi (2023 - 30th January Morning Shift - No. 8)
यदि $$\tan 15^{\circ}+\frac{1}{\tan 75^{\circ}}+\frac{1}{\tan 105^{\circ}}+\tan 195^{\circ}=2 \mathrm{a}$$ है, तो $$\left(\mathrm{a}+\frac{1}{\mathrm{a}}\right)$$ का मान है :
$$5-\frac{3}{2}\sqrt3$$
$$4-2\sqrt3$$
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