100%
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?
int_(-pi/2)^(pi/2) sqrt((1-cos2x)/(2))dx=?