Mathematics · Trigonometry
If m cos(α + β) - n cos(α - β) = m cos(α - β) + n cos(α + β), then tan α tan β =
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1mn
- 2-nm✓
- 3m - n
- 4m + n
Correct answer
-nm
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