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What is the principal value of \(\cos^{-1}(0)\)?\(\cos^{-1}(0)\) का मुख्य मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{\pi}{2})(\frac{\pi}{2})
\(\cos\frac{\pi}{2}=0\) and \(\frac{\pi}{2}\in[0,\pi]\). Remember special values along with the principal range.\(\cos\frac{\pi}{2}=0\) और \(\frac{\pi}{2}\in[0,\pi]\)। special values को principal range के साथ याद करें।
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