Mathematics · Trigonometry
सही त्रिकोणमितीय सर्वसमिका (identity) की पहचान करें: cos2A - sin2A.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1tan A
- 2sin 2A
- 3cos 2A✓
- 41
सही उत्तर देखें
cos 2A
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