xcos2xdx的不定积分(e^xcos2xdx的不定积分)
xcos2xdx的不定积分计算过程是∫xcos2xdx=(1/2)∫xdsin2x=(1/2)xsin2x-(1/2)∫sin2xdx=(1/2)xsin2x+(1/4)cos2x+C。..(10)人阅读时间:2022-06-10xcos2xdx的不定积分(xcos2xdx的不定积分怎么求)
xcos2xdx的不定积分计算过程是∫xcos2xdx=(1/2)∫xdsin2x=(1/2)xsin2x-(1/2)∫sin2xdx=(1/2)xsin2x+(1/4)cos2x+C。..(11)人阅读时间:2022-05-20