∫cos(x+2)dx=多少

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/22 12:26:57

∫cos(x+2)dx=多少

解
∫cos(x+2)dx
=∫cos(x+2)d(x+2)
=∫cosudu
=sinu+C
=sin(x+2)+C

∫cos(x+2)dx=多少 ∫ (1+cos^2 x)/cos^2 x dx = ∫X^2COS^2(X/2)dx等于多少? ∫(2/cos^2x)dx= cos(x^2)dx ∫sin^3(x)cos^2(x)dx= ∫cos(x*x)dx=? ∫x* cos²x dx=? ∫x／[(cos^2)x]dx ∫sin(x) cos^2(x)dx ∫cos x / ( 1 + (sinx)^2 ) dx = 求∫2/(2+cos x)dx