Problem 1. (1 point) Problem 3. (1 point) Evaluate the definite integral (if it exists) Evaluate the indefinite integral (x/3 7 sin(x) cos? (x ) dx 6sin(x) 1 + cos? (x) If the integral does not exist, type "DNE". Note: Any arbitrary constants used must be an upper-case "C". Answer(s) submitred: Answer(s) submitted: (incorrect) (incorrect) Problem 4. (1 point) Evaluate the indefinite integral -8 com() sin(f ) it Problem 2. (1 point) Note: Any arbitrary constants used must be an upper-case "C". Evaluate the indefinite integral Answer(s) submitted: (incorrect) Note: Any arbitrary constants used must be an upper-case "C". Problem 5. (1 point) Evaluate the indefinite integral. Answer(s) submitred: x' sin(x' ) dx (incorrect) Integral =_ [NOTE: Remember to enter all necessary *, (, and ) !! Enter arctan(x) for tanx , sin(x) for sinx . ] Answer(s) submitted: (incorrect)