January 28, 201411 yr Fool. The first step could be right. S, I, and N could very well be variables. The second step was where it got bad. Unless S=2, I=3, and N=1.
January 28, 201411 yr Oh no, this brings back many dreadful memories of when I was doing math problems back in school .___.'
January 28, 201411 yr Pfft. Like anyone actually needs that in their day to day lives. The only math you use on a regular basis is basic addition/subtraction and if they even suck at that, pretty much every cell phone has a calculator app. Personally, from middle school on they should just replace math with with useful skills like check writing and save the heavy stuff for college.
January 28, 201411 yr Ah the times in real life where I've had to use Sine, Cosine, and Tangent.....Never.
