703 prompts matching "A longer statement tested for tautology"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Quiz: The direction cosines of a vector in three dimensions
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Learn: The magnitude of a three-dimensional vector
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: The magnitude of the sum of two vectors
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Learn: The unit vectors i, j and k
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Practice: A vector of stated magnitude in a given direction
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Learn: Subtracting one vector from another
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Practice: The dot product as the magnitudes times the cosine of the angle
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Learn: The angle between a vector and one of the axes
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Quiz: The vector equation of the line through two given points
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Practice: Deciding whether a point lies on a given line
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Learn: The real and the imaginary parts of a complex number
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Quiz: Subtracting one complex number from another
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Practice: Equating real and imaginary parts to find two unknowns
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Quiz: The product of a complex number and its conjugate
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Practice: The sum of a complex number and its conjugate
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Quiz: The argument of a complex number
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Practice: The argument of a complex number in the second or third quadrant
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