[题目]求不定积分: (int )(cos )^2dfrac (x)(2)dx

4.求下列不定积分-|||-(11) int (cos )^2dfrac (x)(2)dx

2.求下列不定积分:-|||-(1) int dfrac (dx)({x)^2};-|||-(2) int xsqrt (x)dx; 2.求下列不定积

求不定积分int dfrac (2{x)^2cos 4x-3}({x)^2}dx求不定积分

计算不定积分int dfrac (2cos dfrac {1)(x)}({x)^2}dx计算不定积分

[题目] int (cos )^2dfrac (x)(2)dx= __

[题目]求不定积分: int dfrac (1)(xln x)dx,

求下列不定积分:-|||-(22) int dfrac (cos 2x)({cos )^2x(sin )^2x}dx ;

求下列不定积分 int dfrac (dx)(2sin x-cos x+5)求下列不定积分

【题目】-|||-求下列不定积分:-|||-int dfrac (x+2)({x)^2sqrt (1-{x)^2}}dx ;

[题目]-|||-求下列不定积分:-|||-int dfrac (x+2)({x)^2sqrt (1-{x)^2}}dx;