Question 8

Geometry Level 4

The value of \[\tan^{-1}( \dfrac {x\sin\alpha}{1-x\cos\alpha})-\tan^{-1}(\dfrac {x-\cos\alpha}{\sin\alpha})\]

is, for \(\alpha\in (0,\pi/2); x\in R^{+}\), is

\(\bullet\) This question is part of the set For the JEE-nius;P

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