Mathematics · Trigonometry
यदि 2 sin x - cos 2x = 1 है, तो 3 - 2 sin2 x का मान है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-√5
- 2√5✓
- 3-√3
- 4√3
सही उत्तर देखें
√5
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