sin^3x的不定积分为：1/3cos^3(x)-cosx+C。解：∫sin^3(x)dx=∫sin^2(x)*sinxdx=∫（1-cos^2(x)）d（-cosx）=∫（cos^2(x)-1）dcosx=∫cos^2(x)dcosx-∫1dcosx=1/3cos^3(x)-cosx+C。...

sin^3x的不定积分为：1/3cos^3(x)-cosx+C。解：∫sin^3(x)dx=∫sin^2(x)*sinxdx=∫（1-cos^2(x)）d（-cosx）=∫（cos^2(x)-1）dcosx=∫cos^2(x)dcosx-∫1dcosx=1/3cos^3(x)-cosx+C。...