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

You are not logged in. #1 20130129 22:21:20
Sine Cosine TangentsI finally learned how to do sines, cosines, and tangents of triangles. (Seriously, if you found out my age, you might be surprised ) I'm showing this for the younger ones out there.  n872yt3r Math Is Fun Rocks! By the power of the exponent, I square and cube you! #2 20130130 00:35:49
Re: Sine Cosine Tangentshi n872yt3r You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei #4 20130130 01:01:47
Re: Sine Cosine TangentsHi n872yt3r The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #5 20130130 01:27:24
Re: Sine Cosine TangentsI would guess he is 9. And congratulations on learning about trigonometry. In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. 