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Grade: 12th pass
        
i didnot understand calculation so plz wanna compelete solution........
11 months ago

Answers : (1)

Arun
21628 Points
							
Dear student
 
for angle, take dot product
 
A . B = |A| |B| cos theta
 
2 * 4 + 3 * 6 + -1 * -2 = sqrt (14) * sqrt(56) cos theta
 
cos theta = 28 / 14 * 2 = 1
 
theta = 0 degree
11 months ago
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