Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
You are not logged in.
#1 2012-10-25 11:24:40
- skylor
- Guest
Trig Interval
Use an identity to solve each equation on the interval (0,2pi)
2cos^2x+sin x -1 = 0
