\(\sin^{-1}x+\cos^{-1}x\) का मान क्या है जब \(x\in[-1,1]\)?
What is the value of \(\sin^{-1}x+\cos^{-1}x\) when \(x\in[-1,1]\)?
Explanation opens after your attempt
A. \(\frac{\pi}{2}\)
Concept
For every \(x\in[-1,1]\), \(\sin^{-1}x+\cos^{-1}x=\frac{\pi}{2}\). This identity is often used directly.
Why this answer is correct
The correct answer is A. \(\frac{\pi}{2}\). For every \(x\in[-1,1]\), \(\sin^{-1}x+\cos^{-1}x=\frac{\pi}{2}\). This identity is often used directly.
Exam Tip
हर \(x\in[-1,1]\) के लिए \(\sin^{-1}x+\cos^{-1}x=\frac{\pi}{2}\) होता है। यह पहचान अक्सर सीधे उपयोग होती है।
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