Chapter 7: Additional Applications of Integration
Section 7.1: Polar Coordinates
Convert the polar point 2,3 to Cartesian coordinates.
For the calculus, there are no special tools in Maple for changing the coordinates of points. The simplest way to change a polar point to Cartesian coordinates is by direct application of the formulas on the left in Table 7.1.1.
Write the expression for x.
Context Panel: Approximate≻5 (digits)
2 cos3→at 5 digits−1.9800
Write the expression for y.
2 sin3→at 5 digits0.28224
Hence, the polar point 2,3 is the Cartesian point 2 cos3,2 sin3≐−18.104.22.168.
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