"Understand the concept and basic properties of double integral, and master the calculation method of double integral (rectangular coordinates. Polar coordinates), understand the simple abnormal double integral of unbounded region and calculate it. "

The polar coordinate requirement of the number three exam is to master the basic concepts and general calculation methods.

The following is the original text of the exam outline.

"Master the calculation method of double integrals (rectangular coordinates and polar coordinates) and can calculate triple integrals (rectangular coordinates, cylindrical coordinates and spherical coordinates)."

The requirement of "three to one" for polar coordinates is not so deep, but you need to know and master the basic knowledge.