Mathematics · Trigonometry
If tan(π/4 + α) = tan3(π/4 + β), then tan(α + β) cot(α - β) =
- 1sec2 2β + tan2 2β
- 2cosec2 2β + cot2 2β
- 32(sec2 2β + tan2 2β)✓
- 44(sec2 2β + tan2 2β)
Correct answer
2(sec2 2β + tan2 2β)
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