Find a function w = (x, y) whose first partial derivatives are w/x = 1 + e

Find a function w = ƒ(x, y) whose first partial derivatives are ∂w/∂x = 1 + e^x cos y and ∂w/∂y = 2y - e^x sin y and whose value at the point (ln 2, 0) is ln 2.