1,330 prompts matching "IGCSE Additional Maths Y11: The identity for one minus cos squared — Show All Wo"
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Practice: Using the normal tables when the z-score is negative
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WAEC Prep: When a Poisson distribution approximates a binomial one
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Worked Example: The continuity correction when approximating a discrete distribution
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WAEC Prep: Writing a two-dimensional vector in i and j form
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WAEC Prep: Writing a three-dimensional vector in i, j and k form
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Worked Example: The distance between two points in three dimensions
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WAEC Prep: A vector of magnitude one in three dimensions
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Practice: The magnitude of the sum of two vectors
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WAEC Prep: Using a unit vector to write a force of given size
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Worked Example: Finding the unit vector in the direction of a given vector
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Worked Example: The position vector of the midpoint of AB
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Worked Example: The triangle law of vector addition
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Practice: The dot product as the magnitudes times the cosine of the angle
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Explain Back: The dot product of two perpendicular vectors
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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: Writing a force as a vector in i and j form
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Worked Example: The powers of i, and the cycle they follow
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Practice: The sum of a complex number and its conjugate
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Practice: The argument of a complex number in the second or third quadrant
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