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GUJCET · Maths · Inverse Trigonometric Functions

\(\tan ^{-1}(\cot x)+\cot ^{-1}(\tan x)=\) ____________

  1. A 0
  2. B \(\frac{\pi}{2}\)
  3. C \(2 x\)
  4. D \(\pi-2 x\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\pi-2 x\)

Step-by-step Solution

Detailed explanation

\(\tan ^{-1}(\cot x)+\cot ^{-1}(\tan x)\) \(=\tan ^{-1}(\tan(\frac{\pi}{2}-x))+\cot ^{-1}(\cot(\frac{\pi}{2}-x))\)