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wanna compelete solution....................... ... ......... .................................................

 wanna compelete solution....................... ... ......... .................................................

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Grade:12th pass

1 Answers

Arun
25763 Points
3 years ago
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

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