Mathematics · Trigonometry
यदि sec A + tan A = K है, तो 1 - (K2 - 1K2 + 1)2 का मान ज्ञात कीजिए।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sec2A
- 2sin2A
- 3cos2A✓
- 4tan2A
सही उत्तर देखें
cos2A
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