यदि (x>0) हो तो \(\tan^{-1}x+\cot^{-1}x\) का मान क्या है?
If (x>0), what is the value of \(\tan^{-1}x+\cot^{-1}x\)?
Explanation opens after your attempt
A. \(\frac{\pi}{2}\)
Concept
When (x>0), \(\tan^{-1}x+\cot^{-1}x=\frac{\pi}{2}\). Keep the principal range of \(\cot^{-1}x\) in mind.
Why this answer is correct
The correct answer is A. \(\frac{\pi}{2}\). When (x>0), \(\tan^{-1}x+\cot^{-1}x=\frac{\pi}{2}\). Keep the principal range of \(\cot^{-1}x\) in mind.
Exam Tip
जब (x>0) हो तो \(\tan^{-1}x+\cot^{-1}x=\frac{\pi}{2}\) होता है। \(\cot^{-1}x\) की प्रधान सीमा का ध्यान रखें।
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