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

You are not logged in. #1 20051118 04:20:40
Trig Waves question ???y = 15 cos (5t  ( 3pi / 2 ) ) #2 20051118 12:04:51
Re: Trig Waves question ???Plain old cosx has a period of 2π. The variable (t) inside of cos is multiplied by 5, which compresses the period. So, the answer is 2π/5 El que pega primero pega dos veces. 