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What is the principal value of \(\operatorname{cosec}^{-1}(-2)\)?\(\operatorname{cosec}^{-1}(-2)\) का प्रधान मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(-\frac{\pi}{6}\)\(-\frac{\pi}{6}\)
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.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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