1,376 prompts matching "What dy by dx means as a rate of change"
Worked example: A two-step problem needing two ratios
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Quiz me: The exact ratios for 45 degrees
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Practice set: The ratios at nought and 90 degrees
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Worked example: The reference angle for an angle beyond 90 degrees
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Word problem: Finding an angle from a ratio, in a given range
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Nigerian scenario: Special angles in a described construction problem
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Word problem: A depression problem where the observer's height is given
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Quiz me: Converting between index form and logarithm form
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Worked example: Using the power law to simplify a logarithmic expression
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Word problem: Evaluating a logarithm without a table
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Quiz me: Reading a logarithm from a four-figure table
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Practice set: Using antilogarithms to return to the number
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Word problem: Logarithms on a scientific calculator
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Nigerian scenario: A calculation from Nigerian trade done with logarithms
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Quiz me: Reducing a number to its residue modulo n
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Practice set: Adding and subtracting in modular arithmetic
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Practice set: The empty set and the universal set
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Nigerian scenario: Sets used to sort a described Nigerian group
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Quiz me: The members common to two sets
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Worked example: The formula for the number in a union
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