1,170 prompts matching "Spot my mistake calculating standard deviation"
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through expanding cos of 3
WAEC Prep: The statement of 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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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
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WAEC Prep: Solving a quadratic whose discriminant is negative
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WAEC Prep: Differentiating a constant from first principles
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WAEC Prep: Why the limit is taken as h tends to nought
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WAEC Prep: The definition of the derivative as a limit
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WAEC Prep: Differentiating a polynomial with a fractional index
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WAEC Prep: Differentiating a sum of a polynomial and a trigonometric term
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WAEC Prep: Differentiating a polynomial term by term
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WAEC Prep: The product rule applied to three factors
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WAEC Prep: Simplifying the answer after using the quotient rule
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WAEC Prep: The product rule for differentiation
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WAEC Prep: The chain rule applied twice in one problem
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WAEC Prep: Differentiating the square root of a function
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WAEC Prep: The chain rule for a function of a function
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