1,331 prompts matching "IGCSE Additional Maths Y11: Checking an answer for reasonableness — Show All Wor"
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WAEC Prep: Finding the angle between two vectors from their dot product
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Worked Example: Testing two vectors for perpendicularity
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Learn: The angle between a vector and one of the axes
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WAEC Prep: The imaginary unit i, and why i squared is minus one
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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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Practice: Equating real and imaginary parts to find two unknowns
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WAEC Prep: The conjugate of a complex number, and how it is written
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Practice: The sum of a complex number and its conjugate
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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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Practice: The argument of a complex number in the second or third quadrant
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WAEC Prep: The conjugate shown on an Argand diagram
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WAEC Prep: The locus of a complex number equidistant from two points
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WAEC Prep: Plotting a complex number as a point on the Argand plane
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Practice: The addition of complex numbers shown on an Argand diagram
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Practice: Converting a complex number from polar form back to a plus bi
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
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WAEC Prep: The sum and product of a pair of complex roots
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WAEC Prep: A quadratic whose roots are 2 plus i and 2 minus i
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a quadratic whose