Answer
See table and explanations.
Work Step by Step
See table.
1. We can complete the first row easily as $90^\circ$ is a special angle.
2. $-360^\circ$ is the same as $0^\circ$ and we can complete the second row.
3. $630^\circ=720^\circ-90^\circ$ is equivalent to $-90^\circ$ or $270^\circ$ and we can complete the third row.
