What is the period of the trigonometric function cos(3x) + sin(4x)?
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Find the equation of an ellipse with a major axis along the y-axis, center at (0,3), minor axis of length 8, and foci at (0, 5) and (0, 1).
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What is the Rule for Congruence of Triangles when two sides and the included angle of one triangle are congruent to the corresponding parts of another triangle?