as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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describe in your own words what is cosine similarity.
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cosine similarity is a measure of similarity between two vectors, usually in a multi-dimensional space. it quantifies how closely two vectors point in the same direction and is based on the dot product of the two vectors. it takes values between 0 and 1, with 1 indicating perfect similarity. it is often used in information retrieval, machine translation, and natural language processing tasks.
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