1,243 prompts matching "Practice: A fractional index with numerator one, read as a root"
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Worked Example: Solving a quadratic inequality by sketching the parabola
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Explain Back: Solving an inequality that involves a modulus
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WAEC Prep: Writing a solution set in interval notation
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Worked Example: The number of arrangements of n different objects in a row
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Explain Back: Arrangements in which two particular objects must stay together
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WAEC Prep: Circular permutations of n objects round a table
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Worked Example: The difference between a permutation and a combination
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Explain Back: The compound angle formula for tan of A plus B
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WAEC Prep: The three forms of the double angle formula for cosine
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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Explain Back: Solving a quadratic in sin x
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WAEC Prep: Solving an equation by first applying a double angle formula
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Worked Example: The shape, period and range of the cosine curve
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Explain Back: The effect of b in y equals sin bx on the period
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Worked Example: The midpoint formula applied to a given segment
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Explain Back: The equation of the line through two given points
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WAEC Prep: Proving two given lines parallel from their gradients
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Explain Back: Deciding whether a point lies inside, on or outside a circle
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WAEC Prep: The length of the tangent from an external point
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Worked Example: The parametric form of a point on a parabola
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