1,203 prompts matching "Why a conditional and its converse are not equivalent"
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Quiz: The direction cosines of a vector in three dimensions
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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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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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Practice: The dot product as the magnitudes times the cosine of the angle
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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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Spot My Mistake: The equilibrium condition written in vector form
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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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Quiz: Writing a complex number in polar form
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Practice: Converting a complex number from polar form back to a plus bi
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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Spot My Mistake: Classifying a stationary point by the second derivative
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Spot My Mistake: Finding the constant of integration from a given point
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Quiz: Using the initial conditions to fix the constants in a kinematics problem
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Quiz: A rate of change problem about a vessel filling with water
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Quiz: Choosing which equation of motion to use
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Practice: A body thrown vertically upwards
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