Question

The angle between A vector=i+j B vector=i+j​

Answer 1

Answer:

cos90

Step-by-step explanation:

cosФ=(1+1+0)/√(1+1+0)*√(1+1+0)

⇒cosФ=2/2=1

⇒cosФ=cos90°

⇒Ф=90°

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