Question

when two vectors are perpendicular to each other? tomorrow I have exam so, be honest and true​

Answer 1

Answer:

If two vectors are perpendicular to each other, then their dot product is equal to zero.

Explanation:

If the dot product two vectors is 0, they are orthogonal; in other words, they are perpendicular. The dot product between two vectors →u,→v is given by →u⋅→v=|→u||→v|cos(θ), so →u⋅→v=0⟹cosθ=0⟹θ=π/2(90∘). (Recall: two vectors that are orthogonal (perpendicular) form a right angle θ=π/2=90∘.)

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Answer 2

Answer:

for both of them theta=90°

Explanation:

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