Double integral question.... 1. The problem statement, all variables and given/known data Evaluate the integrals shown ( I have attached the file with the integral). 2. Relevant equations 3. The attempt at a solution Ok, for the first one, can you tell me how I integrate sin x^2...?? which method should i use? And for the second one, I dont really understand what the R is. What do u have to do to find the values next to to the integrand. Thanks!