求不定积分 ∫sin(3x+2)dx?who can help me ...help...help .
问题描述:
求不定积分 ∫sin(3x+2)dx?
who can help me ...help...help .
答
原式=1/3*∫sin(3x+2)d(3x+2)=-1/3*cos(3x+2)
求不定积分 ∫sin(3x+2)dx?
who can help me ...help...help .
原式=1/3*∫sin(3x+2)d(3x+2)=-1/3*cos(3x+2)