Thread: Help me with this trigonometry!!

1. 
   
   1. 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).
   
   
   
   

1. 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).