Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**Daniel123****Member**- Registered: 2007-05-23
- Posts: 663

I ended up having to do this by finding a reduction formula for

.Is there another way?

Thanks.

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**Daniel123****Member**- Registered: 2007-05-23
- Posts: 663

Ignore. x = tanu.

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