What is the condition for two triangles to be congruent, and why is it important in terms of their corresponding sides and angles?
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Question: What is the period of the cosine function f(x) = cos(x)? Is it possible for the cosine function to have a period greater than 2π? Justify your answer.(
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Question: What is the limit of f(x) as x approaches a, given that f(x) = (3x^2 + 4x - 2)/(2x^2 + 5x + 1) according to the Limit Laws?