Mathematics · Trigonometry
sin(A) के संदर्भ में cos(2A) का मानक त्रिकोणमितीय सर्वसमिका क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12cos2(A) + 1
- 2sec(A)
- 31 - 2sin2(A)✓
- 4sin(A)
सही उत्तर देखें
1 - 2sin2(A)
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