The correct Answer is:−cosx+sinx+c (ii) −cotx−cosecx+c To solve the given integrals step by step, we will break down each part of the question. Part (i): Integral of sinx+cosx 1. Write the integral: ∫(sinx+cosx)dx 2. Separate the integral: ∫sinxdx+∫cosxdx 3. Integ...