1,334 prompts matching "Finding an unknown constant in a function from a given value"
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Worked Example: Marking the weight, the normal reaction and the friction on a diagram
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WAEC Prep: The triangle of forces used together with the cosine rule
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WAEC Prep: The triangle of forces for three forces in equilibrium
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Worked Example: Using the sine rule on the triangle of forces
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Explain Back: The order in which the forces are drawn round the triangle
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Explain Back: Why the total moment about any point must be nought
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WAEC Prep: Friction, and the direction in which it acts
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WAEC Prep: Calculating a moment as force times perpendicular distance
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Explain Back: The units of a moment, and why they are newton metres
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WAEC Prep: A particle in equilibrium on a smooth inclined plane
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Worked Example: Matching each force to the sine of the angle opposite it
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Explain Back: A probability distribution table for a discrete random variable
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WAEC Prep: Expanding p plus q, all to the power n, as a probability model
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WAEC Prep: The binomial expansion of a plus b all to the power n
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WAEC Prep: Comparing the mean with the variance of a binomial distribution
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WAEC Prep: The mean of a binomial distribution as np
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Learn: The standard deviation of a binomial distribution
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WAEC Prep: The variance of a Poisson distribution over two intervals
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WAEC Prep: Using the mean of a Poisson distribution to find a probability
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Explain Back: Testing whether data are Poisson by comparing mean and variance
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