Is cosin scaler or vector?

or:Is cosin scaler or vector?or:I don't think it's either. Cosine is a function, a transformation from a set of values to another. Scalar definitely

or:Is cosin scaler or vector?


or:I don't think it's either. Cosine is a function, a transformation from a set of values to another. Scalar definitely not, that's just a constant. Vector, only in a space which is curved itself.

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