[int sqrt((cos x-cos^(3)x)/(1-cos^(3)x))dx=],[(" where "x in R-{(k pi)/(2)/k in Z})]+C

int sqrt((cos x-cos^(3)x)/(1-cos^(3)x))dx is equal to

intsqrt( ( cos x - cos^(3) x)/( 1 - cos^(3) x)) dx = ........+ C . ( where x in R - { (kpi)/( 2)//k in Z} )

int(cos3x-cos2x)/(cos x)dx

int(1)/(sqrt(cos^(3)x cos(x+a)))dx

int_(0)^( pi/6)(sqrt(3cos2x-1))/(cos x)dx

int_(-(pi)/(2))^(0)sqrt(cos x-cos^(3)x)dx =

int cos x cos 2x cos 3x dx=

int_(0)^((pi)/(6))(sqrt(3 cos 2x-1))/(cos x)dx