. If x = 7 + 4√3 then find the value of x2
– 1/x2

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.

Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]

Asap! i need this done today and i really don’t understand it. some one ! will mark