Question Number 222867 by MrGaster last updated on 10/Jul/25

$$\int_{−\pi} ^{\pi} {x}\:\mathrm{sin}\:{x}\:\mathrm{cos}{nxdx} \\ $$
Answered by MrGaster last updated on 10/Jul/25

Commented by wewji12 last updated on 10/Jul/25

$$\mathrm{it}'\mathrm{s}\:\mathrm{problem}\:\mathrm{that}\:\mathrm{can}\:\mathrm{be}\:\mathrm{solved}\:\mathrm{quickly} \\ $$$$\mathrm{if}\:\mathrm{change}\:\mathrm{it}\:\mathrm{to}\:\mathrm{a}\:\mathrm{complex}\:\mathrm{integral}\:\mathrm{lol} \\ $$
Commented by MrGaster last updated on 10/Jul/25
So, can you give your solution?