Question: TF-IDF vector of document A is [18,0] and TF-IDF vector of document B is [126,126]. What is the cosine similarity between documents A and B?

TF-IDF vector of document A is [18,0] and TF-IDF vector of document B is [126,126]. What is the cosine similarity between documents A and B?

[Hint: cos (0) = 1, cos (45) = 0.71, cos (90) = 0, cos (180) = -1, cos (360) = 1]

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