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Problem #8: Let C be a curve given by r(:') = (2 cos 1', 2 sin 1'), r E [0, Jr]. [5 marks] (a) _ Find I xafy - yak C (b) Let C be the opposite orientation of the curve C. Which of the following is the parametrization of C for r E [0, a]? (C) _ What 1s J. x05) ydx? C m # - |:| Entm'\" aw\" \"WM\" Pro em 8(a). as in these examples (A) (2 sin 2', 2 cos i) (B) (2 cos I, -2 sin 3') (C) (2 cos 1', 2 sin 1') (D) {2 cos 3, 2 sin 2') Problem #B(b}: l:l Enter your answer Slmbo'lcalll' Problem #8(C)' as in these examples