Im really struggling with these proving identities problems can somebody please show me how to do these? I'm only aloud to manipulate one side of the equation and it has to equal the other side of the equation at the end

Question

Problem 1. tanx-cotx = (cscx/cosx)-(2cosx/sinx)

Problem 2. (1/1-sinx) - (1/1+sinx) = 2tanxSecx