関連ワード:  integration 0 to pi sin 4x cos 4x dx    integral 0 to pi 2 sin 4x cos 4x dx    integral 0 to pi 4 sin 4x * cos 4x dx    integration 0 to pi 4 sin 2x sin 4x cos 4x dx    integral 0 to pi sin 6x cos 4x dx    evaluate integration 0 to pi 2 sin 4x sin 4x cos 4x dx    integral 0 to pi 4 sin x cos 4x sin 4x dx    integration 0 to pi 2 x sin x cos x sin 4x cos 4x dx    integration 0 to pi x sin x cos 4x dx    integration 0 to pi 2 sin 4x cos 5x dx  
結果 : integration 0 to pi (sin^4x + cos^4x) dx