1,320 prompts matching "Finding the equation of a circle from its centre and radius"
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Worked Example: The total moment of three parallel forces about one end
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Learn: The algebraic sum of moments when the senses differ
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Explain Back: Locating the point of concurrence on a diagram
I have just studied locating the point of concurrence on a diagram in my SS3 Further Mathe
Spot My Mistake: Using concurrence to find the direction of an unknown third force
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Worked Example: Matching each force to the sine of the angle opposite it
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Learn: Finding two unknown forces by Lami's theorem
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Learn: The expectation of a discrete random variable
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Spot My Mistake: The probability of exactly r successes in n trials
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Worked Example: The probability of no events at all in a Poisson distribution
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Learn: The standard deviation of a binomial distribution
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Learn: The mean, median and mode of a normal distribution
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Spot My Mistake: Reading a probability from the standard normal table
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Learn: The coordinates of a point in three dimensions
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Learn: The magnitude of a three-dimensional vector
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Worked Example: The position vector of the midpoint of AB
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Worked Example: The triangle law of vector addition
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Learn: Subtracting one vector from another
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Explain Back: The dot product of two perpendicular vectors
I have just studied the dot product of two perpendicular vectors in my SS3 Further Mathema