Question

at what angle should two unit vector must act to give an unit vector as their resultant option are 30° ,60° , 120° ,143°​

Answer 1

Answer:

120°

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Answer 2

hlo mate gudmrng here is ur ans.......

The angle at which the two unit vector must act to give an unit vector as their resultant option is 120°....

hope this helps u dear.....

pls mark it as brainliest......