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प्रश्न
The value of cos (sin–1x + cos–1x), |x| ≤ 1 is ______.
रिक्त स्थान भरें
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उत्तर
The value of cos (sin–1x + cos–1x), |x| ≤ 1 is 0.
Explanation:
cos (sin–1x + cos–1x) = `cos pi/2`
= 0 ......`(because sin^-1x + cos^-1x = pi/2)`
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