関連ワード:  integration of x cos 6x 3x 2 sin 6x    integration of x + cos6x / 3x2 + sin6x dx    value of sin^6x+cos^6x    period of sin^6x+cos^6x    sin^6x+cos^6x formula  
結果 : integration of x cos 6x 3x 2 sin 6x