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

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**atuturay**- Replies: 6

Hiii,

I don't know how to work out the root of the equation sinx= 1+cosx for 0°<x<180°

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