Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 11, 
= 9, ? = 70°
Find 
A. 24.1
B. 21.1
C. 17.6
D. -106.4
Answer: A
Mathematics
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, v = 
. Find 
u - 
v.
A. 
B. 
C. 
D. 
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