813 prompts matching "Finding a missing intersection from set sizes"
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WAEC Prep: The dot product used to find the work done by a force
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Practice: The dot product as the magnitudes times the cosine of the angle
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WAEC Prep: The angle between two three-dimensional vectors
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WAEC Prep: Showing a triangle is right-angled using the dot product
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Worked Example: Testing two vectors for perpendicularity
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WAEC Prep: The parameter in the vector equation of a line
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WAEC Prep: Converting the vector equation of a line into Cartesian form
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WAEC Prep: The vector equation of a line through a point in a given direction
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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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WAEC Prep: Three forces in equilibrium written as vectors
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WAEC Prep: The resultant force on a particle given in i and j form
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WAEC Prep: Writing a force as a vector in i and j form
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WAEC Prep: Why the square root of a negative number needs i
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WAEC Prep: Writing the square root of minus nine in terms of i
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WAEC Prep: The imaginary unit i, and why i squared is minus one
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Worked Example: The powers of i, and the cycle they follow
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WAEC Prep: Adding three complex numbers
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WAEC Prep: The geometric meaning of adding two complex numbers
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WAEC Prep: Adding two complex numbers
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