Calculus question?

2 ⤊

how do I solve this problem analytically???

sin x/ 5x

My math is pretty rusty if you could answer it, I'll give you 10 points!
Please explain how???

2006-09-18 12:41:37 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

f(x)=(sin x)/5x=(sin x)(1/5x)

d/dx sin x=cos x d/dx 1/x=-1/x^2

df(x)=(cos x)(-1/5x^2)=-(cos x)/(5x^2)

2006-09-18 12:49:12 · answer #1 · answered by Glenn N 5 · 1⤊ 0⤋

What are you trying to do?

2006-09-18 19:43:47 · answer #2 · answered by bruinfan 7 · 1⤊ 1⤋