In mathematical induction, showing that something works for the first case, or that P1 is true. angle of depression. The angle formed by a horizontal line and an observer's line of sight to an object below. angle of elevation. The angle formed by a horizontal line and an observer's line of sight to an object above.
Plankton's voice is provided by American actor Mr. Lawrence. The voice Lawrence uses for Plankton originated as an imitation of one of his deep-voiced friends from high school. On television, he first used the voice for incidental characters on Rocko's Modern Life.
Jenny Slate provides the voice of Assistant Mayor Bellwether, a sweet sheep with a little voice and a lot of wool, who constantly finds herself under foot of the larger-than-life Mayor Lionheart.Tommy Chong lends his iconic voice to Yax the Yak, the most enlightened, laid-back bovine in Zootopia.