Help with this math homework

Sin(a)+cos(a)+cot(a)-1=2(csc(x)+1)

For a 0.25 pfor b o.3pp (0.25+0.3)=0.28

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )