1. Calculate (up to two decimal places) the area of the figure bounded by the above lines.
1.5 ρ = 4cos3φ

2. Calculate (up to two decimal places) the arc length of the line.
2.5 3√x2 + 3√y2 = 3√9

3. Calculate (up to two decimal places) the volume of the body obtained by rotating the figure F around said axes.
3.5 F: x = 6 (t - sint), y = 6, (1 - cost), Ox

4. Calculate (up to two decimal places) the surface area formed by the rotation of the arc of the curve L about said axis.
4.5 L: 3y = x2 (0 ≤ x ≤ 2), Ox

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