What is the length of the hypotenuse if the opposite side is 5 and the adjacent side is 12?
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What is the period of the trigonometric function f(x) = 3cos(4x) + 2sin(2x) in radians?
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What is the rule for congruence of triangles that states if two angles and an included side of one triangle are congruent to two angles and an included side of another triangle, then the triangles are congruent?