Answer:
B., C., and E or 2, 3, and 5
Step-by-step explanation:
I did it and got it right.
Answer:
(-3,-4)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given


Required:
Calculate the angle between u and v
The angle
is calculated as thus:

For a vector


becomes




For a vector


So;






So:






Take arccos of both sides





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<em> (approximated)</em>