Differentiate the following functions - DO NOT SIMPLIFY

Question

1. y = sqrt(pi x + tanx = cos(x))

2. y = 2^-csc(1/x)

3. y = sin(x^2 + 1/^3sqrt(x^7))

4. y = 1/ IxI - 3e^-x / pi - 2x, x < 0