What is the equation of an ellipse with major axis a=5 and minor axis b=3?
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Math question: In a right-angled triangle, if the length of one leg is 8 and the length of the hypotenuse is 10, what is the sine of the angle between these two sides?
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Math question: What is the limit of (3x^2 + 5x - 2) / (2x^2 - 7) as x approaches 2?