Mathematics · Trigonometry
यदि tan(α + β) = a और tan(α - β) = b है, तो tan(2α) का मान क्या है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a - b1 - ab
- 2a - b1 + ab
- 3a + b1 + ab
- 4a + b1 - ab✓
सही उत्तर देखें
a + b1 - ab
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