Mathematics · Trigonometry
सभी वास्तविक संख्याओं x के लिए जहाँ फलन परिभाषित हैं, निम्नलिखित में से कौन सा कथन असत्य (FALSE) है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1सभी x ∈ &mathbb;R के लिए sin(2x) = 2sin(x)cos(x)
- 2सभी x ∈ &mathbb;R के लिए cos(2x) = 1 - 2sin2(x)
- 3सभी x ∈ &mathbb;R के लिए sin2(x) + cos2(x) = 1
- 4सभी x ∈ &mathbb;R के लिए sec2(x) - tan2(x) = 1✓
सही उत्तर देखें
सभी x ∈ &mathbb;R के लिए sec2(x) - tan2(x) = 1
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