If a-b-c-0- then -11- ab - a - b - -11- bc - b - c - -11- ca - c - a -A- - - 2B- - - 3C- -D- 3 - - 2

The correct option is C π tan^ 1(a b/1+ab )+tan^ 1(b c/1+bc )+π +tan^ 1(c a/1+ca )=π ...

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Basic Trigonometric Identities

If a>b>c>0, t...

Question

If a >b >c >0, then $c o t^{- 1} \frac{1 + a b}{a - b} + c o t^{- 1} \frac{1 + b c}{b - c} + c o t^{- 1} \frac{1 + c a}{c - a} =$

π/2

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π/3

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3π/2

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Similar questions

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∣ ∣ ∣ ∣ ∣ \begin{matrix} (a - b + 2)^{2} & a^{2} - b^{2} & 1 1 & (b - c + 2)^{2} & b^{2} - c^{2} c^{2} - a^{2} & 1 & (c - a + 2)^{2} \end{matrix} ∣ ∣ ∣ ∣ ∣

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