sin−1\(\frac{1}{\sqrt{2}}\) का मुख्य मान निम्नलिखित में से कौन-सा है?

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  1. \(\frac{\pi}{4}\)
  2. \(\frac{3\pi}{4}\)
  3. \(\frac{5\pi}{4}\)
  4. इनमें से कोई नहीं

Answer (Detailed Solution Below)

Option 1 : \(\frac{\pi}{4}\)
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Detailed Solution

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गणना:

sin(2nπ +- π/4) = 1/√2 

इसलिए,  sin−1\(\frac{1}{√{2}}\) = sin-1(sin(2nπ +- π/4)) = 1/√2

लेकिन sin-1 का मुख्य मान (-π π) से निहित है।

इसलिए, sin−1\(\frac{1}{\sqrt{2}}\) का मुख्य मान = π/4

अतः, सही उत्तर विकल्प 1 है।

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