\(\tan^{-1}1\) का प्रधान मान क्या है?
What is the principal value of \(\tan^{-1}1\)?
Explanation opens after your attempt
A. \(\frac{\pi}{4}\)
Concept
Because \(\tan \frac{\pi}{4}=1\) and \(\frac{\pi}{4}\) lies in the principal range. Remembering basic values helps solve quickly.
Why this answer is correct
The correct answer is A. \(\frac{\pi}{4}\). Because \(\tan \frac{\pi}{4}=1\) and \(\frac{\pi}{4}\) lies in the principal range. Remembering basic values helps solve quickly.
Exam Tip
क्योंकि \(\tan \frac{\pi}{4}=1\) और \(\frac{\pi}{4}\) प्रधान सीमा में है। मान याद रखने से मूल प्रश्न जल्दी हल होता है।
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