Solve the below:
Integration by Partial Fractions
Q1. Differentiate:y=ln(secx+tanx)
Q2. Differentiate: y=1ln/2|(x2+2x+2)|-2arctan(x+1)+2ln|x+1|
Q3. Find the area of the section of the hyperbola x2/a2+y2/b2=1that is bounded by the curve and the line x=2a .