\(\sin^{-1}\left(\sin\left(-\frac{2\pi}{3}\right)\right)\) का मुख्य मान क्या है?
What is the principal value of \(\sin^{-1}\left(\sin\left(-\frac{2\pi}{3}\right)\right)\)?
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B. -\(\frac{\pi}{3}\)
Simple Explanation
\(\sin\left(-\frac{2\pi}{3}\right)=-\frac{\sqrt{3}}{2}\), इसलिए मुख्य मान \(-\frac{\pi}{3}\) है। \(\sin^{-1}x\) का उत्तर हमेशा \([-\frac{\pi}{2},\frac{\pi}{2}]\) में रखें। / \(\sin\left(-\frac{2\pi}{3}\right)=-\frac{\sqrt{3}}{2}\), so the principal value is -\(\frac{\pi}{3}\). Keep the answer of \(\sin^{-1}x\) in \(-[\frac{\pi}{2},\frac{\pi}{2}]\).
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