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If u=cot^(-1)sqrt(tanalpha)-tan^(-1)sqrt...

If `u=cot^(-1)sqrt(tanalpha)-tan^(-1)sqrt(tanalpha),t h e n tan(pi/4- u/2) is ` (a)`sqrt(tanalpha)` (b) `sqrt(cotalpha)` (c)`tanalpha` (d) cot `alpha`

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To solve the problem step by step, we start with the given expression for \( u \): ### Step 1: Define \( u \) Let \[ u = \cot^{-1}(\sqrt{\tan \alpha}) - \tan^{-1}(\sqrt{\tan \alpha}) \] ...
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