1,315 prompts matching "Rationalising and then simplifying fully"
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Worked Example: The number of arrangements of n different objects in a row
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Quiz: The number of arrangements of r objects chosen from n
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Explain Back: Arrangements in which two particular objects must stay together
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Quiz: Choosing a committee of r people from n
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Explain Back: Choosing a committee with a stated number from each of two groups
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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Quiz: The compound angle formula for sine of A plus B
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Explain Back: The compound angle formula for tan of A plus B
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Explain Back: Solving a quadratic in sin x
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Explain Back: The effect of b in y equals sin bx on the period
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Learn: The distance between two points
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Worked Example: The midpoint formula applied to a given segment
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Quiz: The gradient of the line through two points
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Explain Back: The equation of the line through two given points
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Learn: The equation of a circle with its centre at the origin
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Explain Back: Deciding whether a point lies inside, on or outside a circle
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Worked Example: The parametric form of a point on a parabola
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Quiz: The equation of the tangent to a parabola
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Explain Back: The eccentricity of an ellipse
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Worked Example: The interquartile range of a set of ordered data
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