Mathematics · Trigonometry
यदि (2 cos A + 1) (2 cos A - 1) = 0 है, जहाँ 0° < A ≤ 90°, तो A का मान ज्ञात कीजिए।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130°
- 290°
- 345°
- 460°✓
सही उत्तर देखें
60°
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