(\operatorname{cosec}^{-1}(-2)) का प्रधान मान क्या है?
What is the principal value of (\operatorname{cosec}^{-1}(-2))?
Explanation opens after your attempt
Correct Answer
A. \(-\frac{\pi}{6}\)
Concept
Because (\operatorname{cosec}\left\(-\frac{\pi}{6}\right\)=-2) and \(-\frac{\pi}{6}\) lies in the principal range. For negative values choose the correct principal angle.
Why this answer is correct
The correct answer is A. \(-\frac{\pi}{6}\). Because (\operatorname{cosec}\left\(-\frac{\pi}{6}\right\)=-2) and \(-\frac{\pi}{6}\) lies in the principal range. For negative values choose the correct principal angle.
Exam Tip
क्योंकि (\operatorname{cosec}\left\(-\frac{\pi}{6}\right\)=-2) और \(-\frac{\pi}{6}\) प्रधान सीमा में है। ऋणात्मक मानों में सही प्रधान कोण चुनें।
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