I'm currently having trouble with these two problems:

1. Solve the given differential equation by separation of variables

(e^x + e^-x) dy/dx = y^2

2. Find implicit and an explicit solution of the given IVP

sqr root of (1-y^2) dx - sqr root of (1-x^2) dy = 0 ; y(0) = sqr root 3 / 2