関連ワード:  what is the integral of e x sinx    what is the integral of e x sin x dx    what is the integration of e x sin x cos x    integral of e x sinx dx    integral of e x sinx cosx    integral of e x sinx cosx dx    integral of e^x sinx dx    what is the integral of e^sinx    what is the integral of sinx    why is the integral of e^x itself