Math Is Fun Forum

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

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Topic	Forum	Replies	Last post
1 Cosine Rule simultaneous equations handout by wim	Maths Teaching Resources	0	2021-03-23 11:50:53 by wim
2 Elegant Cosine, Heron's and Half Angle Formulae using semiperimeter by wim	Formulas	0	2021-03-23 02:27:04 by wim

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