1,311 prompts matching "IGCSE Additional Maths Y10: Reading the vertex from the completed square form —"
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Worked Example: The powers of i, and the cycle they follow
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Learn: The real and the imaginary parts of a complex number
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WAEC Prep: The geometric meaning of adding two complex numbers
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Spot My Mistake: Dividing one complex number by another using the conjugate
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WAEC Prep: The conjugate of a purely imaginary number
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WAEC Prep: The conjugate of a product of two complex numbers
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WAEC Prep: The conjugate of a complex number, and how it is written
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WAEC Prep: The modulus of a product of two complex numbers
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WAEC Prep: The argument measured in radians
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WAEC Prep: The modulus and the argument taken together
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WAEC Prep: The conjugate shown on an Argand diagram
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WAEC Prep: Plotting a complex number as a point on the Argand plane
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WAEC Prep: The polar form written as r cos theta plus i r sin theta
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WAEC Prep: De Moivre's theorem used with a negative index
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
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WAEC Prep: The statement of de Moivre's theorem
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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WAEC Prep: The square roots of a complex number
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WAEC Prep: The arguments of the n roots, spaced equally round the circle
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WAEC Prep: The n nth roots of a complex number
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