- sin2(180°−x)cosec(270°+x)+cos2(360°−x)sec(180°−x)sin2(180°−x)cosec(270°+x)+cos2(360°−x)sec(180°−x)
where sec(x)=1cos(x)sec(x)=1cos(x) and cosec(x)=1sin(x)cosec(x)=1sin(x).
- sin2(180°−x)cosec(270°+x)+cos2(360°−x)sec(180°−x)sin2(180°−x)cosec(270°+x)+cos2(360°−x)sec(180°−x)
where sec(x)=1cos(x)sec(x)=1cos(x) and cosec(x)=1sin(x)cosec(x)=1sin(x).