Problem statements
Solution video – H3.A (under Prractice Homework Problems tab)
Solution video – H3.B (please note that the angle phi in the solution is different from HW statement. Please refer to Gradescope rubrics for final answers)
Reminder: Please submit HW3.B. No credit will be given for submitting the wrong homework assignment.
DISCUSSION THREAD

Please post questions here on the homework, and take time to answer questions posted by others. You can learn both ways.
When calculating for the angle between the the two in part c, would it be suitable to use the unit vectors of each negating the need of the magnitude calculation in the denominator as that will be 1?