BasicStudents matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient)Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
AdvancedStudents matched to this level are ready for material that requires superior performance and mastery.
This video uses an example problem to teach the concept of distance between two polar coordinates. In finding the distance between two ships at sea, there are two ways to do so: converting the polar coordinates to rectangular coordinates or using the law of cosines.
This indicates how strong in your memory this concept is