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Grade: 12th pass
        
 wanna compelete solution....................... ... ......... .................................................
one year ago

Answers : (1)

Arun
22578 Points
							
Dear student
 
for finding angle we use dot product
 
A . B = 8 + 18 + 2 = |A| |B| cos @
 
28 = sqrt (14) * sqrt (56) cos@
 
28 / 14 *2 = cos@
 
cos@ = 1
 
@ = 0 degree
one year ago
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