0 Sohelp 7 Years Ago Sinx= x- (x3/3!)+ (x5/5!)- (x7/7!)+....... I can't solve it Please help me........ c++

0 firstPerson 761 7 Years Ago [img]http://upload.wikimedia.org/math/e/7/2/e72a9c97103eed0fe72a1975a8fd748a.png[/img] [TEX]sin(x) = x - x^3/3! + x^5/5! - x^7/7!...[/TEX] In C++ terms : //approximates in 3 expansions float sinus(float x){ return x - (x*x*x)/(3*2*1) + (x*x*x*x*x)/(5*4*3*2*1); } Of course you can use a for loop and a factorial function and a power function to expand it more, but I'm not trying to give you the answer.