Find the value of the following-tan -1 a- -1 a

Cot(tan^ 1a+cot^ 1a) =cotπ/2=0 ( ∵ tan^ 1 x+cot^ 1x=π/2 ) ...

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Circular Measurement of Angle

Find the valu...

Question

Find the value of the following:

$c o t (t a n^{- 1} a + c o t^{- 1} a)$

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cot ({tan}^{- 1} a + {cot}^{- 1} a)

cot (t a n^{- 1} a + c o t^{- 1} a)

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tan [\frac{π}{4} + \frac{1}{2} {cos}^{- 1} \frac{a}{b}] + tan ⌊ \frac{π}{4} - \frac{1}{2} {cos}^{- 1} \frac{a}{b} ⌋

∣ ∣ ∣ ∣ ∣ \begin{matrix} (a + 1) (a + 2) & a + 2 & 1 (a + 2) (a + 3) & a + 3 & 1 (a + 3) (a + 4) & a + 4 & 1 \end{matrix} ∣ ∣ ∣ ∣ ∣

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