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From what I think I understand, a variable is something you input into a function and you get a certain value from it whereas a parameter is something that gives you a different function but 'adjusted'...so the constant C the translates a graph of a function up and down would be a parameter...is this correct?
But then, when you have parametric equations like sin(t) and cos(t), isn't the 'parameter' t acting like a variable where you put in a value and get a point somewhere on the graph?
But then, when you have parametric equations like sin(t) and cos(t), isn't the 'parameter' t acting like a variable where you put in a value and get a point somewhere on the graph?