I don't know
how did u get -2(1)(2)? did u just plug the PI/4 into the formula?
All right, sorta hard to explain but I will try my best. I am suppose to find the equation for the that lines that are tangent to the curve y=cot^2(x) at the point (pie/4, 1)....(the x is not to the power of 2, a variable right next to the cot^2) I am not sure how to do this a...