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If (\cos^{-1}x=\frac{\pi}{3}), what is the value of (x)?यदि (\cos^{-1}x=\frac{\pi}{3}) हो तो (x) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{1}{2})(\frac{1}{2})
Taking (\cos) on both sides gives (x=\cos\frac{\pi}{3}=\frac{1}{2}). The angle lies in the principal range so the answer is valid.दोनों तरफ (\cos) लेने पर (x=\cos\frac{\pi}{3}=\frac{1}{2}) है। कोण प्रधान सीमा में है इसलिए उत्तर मान्य है।
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