1,044 prompts matching "Solving a cos x plus b sin x equals c by the R method"
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Final Revision: A word problem solved with the quadratic formula
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Explain Back: Finding a missing coefficient from a stated sum of roots
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Spot My Mistake: Finding a missing coefficient from a stated product of roots
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WAEC Prep: Checking the sum and product against the solved roots
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Final Revision: One root twice the other, and what that gives
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Spot My Mistake: A pair with equal roots, meaning one solution only
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WAEC Prep: Finding the values of m for which a line cuts a curve twice
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Final Revision: The degree of the product of two polynomials
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Quiz: Dividing a quartic by a quadratic
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Final Revision: Writing the result of a polynomial division out in full
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WAEC Prep: The remainder theorem checked against long division
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Final Revision: A word problem that uses the remainder theorem
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Practice: Showing that x plus 3 is a factor of a given polynomial
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Final Revision: A factor theorem question set in the WAEC style
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Learn: Factorising a cubic into three linear factors
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Worked Example: Factorising a cubic into a linear and a quadratic factor
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Common Mistakes: Factorising fully, and knowing when to stop
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Learn: Solving a cubic once it has been factorised
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WAEC Prep: The relation between the roots and the constant term
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Common Mistakes: A cubic equation arising from a volume problem
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