Answer:
10.89
Step-by-step explanation:
The new coords are (-4, 4), (-1,7) and (1,1)
Answer:
6
Step-by-step explanation:
this should br what it looks like
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>