# Question 8

Geometry Level 5

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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