What is the rule of congruence that states two triangles are congruent if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle?
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What is the period of the function f(x) = 2sin(3x) - cos(2x) + tan(x) in radians?
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What is the vertex form of a parabola function with a vertex at (2, 3) and a positive leading coefficient?