1,483 prompts matching "The midpoint formula, and how it averages the coordinates"
Worked example: Deriving the negative index from the division law
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Explain back: An indicial equation needing a substitution
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Worked example: An indicial equation solved with logarithms
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Explain back: Finding a side with a trigonometric ratio
I have just studied finding a side with a trigonometric ratio in my SS1 Mathematics class.
Worked example: The reference angle for an angle beyond 90 degrees
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Explain back: Multiplying large numbers with logarithms
I have just studied multiplying large numbers with logarithms in my SS1 Mathematics class.
Explain back: Multiplying in modular arithmetic
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Worked example: Bringing a negative number into the right residue class
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Worked example: The number of elements in a set
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Explain back: The truth table for an implication
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Explain back: Changing the subject when the letter is in a denominator
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Worked example: Changing the subject when the letter occurs on both sides
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Worked example: Using the constant to predict a further value
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Explain back: Reading the turning point from the completed square
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Explain back: Reading the roots off the graph
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Worked example: Solving a related equation by adding a line to the graph
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Explain back: Finding the radius from a given arc length
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Worked example: The perimeter of a segment
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Explain back: The area of a segment as sector minus triangle
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Worked example: The slant height in a cone's surface area
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