Show that 1+cot^2(x)=cosec^2(x)

Need to remember that:sin²(x)+cos²(x)=1 (eq.1)Divide the whole eq.1 by sin²(x)to get:sin²(x)/sin²x+cos²(x)/sin²(x)=1 /sin²x Which is the same as:1+cot²x=cosec²x