1,334 prompts matching "Counting the arrangements of people in a queue"
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Worked Example: Evaluating a polynomial by substitution
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Practice: Factorising a cubic completely once one factor is known
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WAEC Prep: Sketching a cubic from its factorised form
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Explain Back: Forming a cubic equation whose three roots are given
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Spot My Mistake: The relations between roots and coefficients for a quartic
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Quiz: Solving a quadratic inequality using a sign table
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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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Practice: Choosing a committee that must contain one particular person
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Worked Example: The identities for one plus tan squared and one plus cot squared
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Learn: Solving sin x equals a given value between 0 and 360 degrees
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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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Spot My Mistake: Solving an equation by first applying a Pythagorean identity
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WAEC Prep: Solving an equation by first applying a double angle formula
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Quiz: The tangent curve and its asymptotes
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Spot My Mistake: The general form ax plus by plus c equals nought
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Learn: The parabola y squared equals 4ax, with its focus and directrix
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Practice: The mean deviation from the mean
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Worked Example: The sign convention for clockwise and anticlockwise moments
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