text: [{"text_idx": "#000005", "text": "I. Evaluate the following definite integrals."}, {"text_idx": "#000006", "text": "sin2 \u03b8 cos7 \u03b8 is even function"}, {"text_idx": "#000007", "text": "II. Evaluate the following integrals."}, {"text_idx": "#000008", "text": "\u2234 f is odd function"}, {"text_idx": "#000009", "text": "dx = 5 cos\u03b8 d\u03b8"}, {"text_idx": "#000011", "text": "dx = 4 sin 2\u03b8 d\u03b8"}, {"text_idx": "#000012", "text": "dx = 5 sin2\u03b8 d\u03b8"}]