1,045 prompts matching "The triangle of forces used together with the cosine rule"
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Worked Example: The product of the roots as c over a
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Quiz: Finding the sum and the product without solving the equation
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Common Mistakes: Roots that are reciprocals of one another
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Practice: The value of alpha to the fourth plus beta to the fourth
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Explain Back: The value of alpha minus beta, all squared
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Practice: Finding the matching value of the second unknown
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Worked Example: The discriminant used as the test for intersection
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Show All Working: The point of contact when a line touches a curve
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Worked Example: The degree of a polynomial in one variable
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Common Mistakes: The degree of the quotient and of the remainder
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Practice: Factorising a quartic as the product of two quadratics
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Practice: The conjunction of two propositions
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Explain Back: The disjunction of two propositions
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Explain Back: The truth table for a statement with two connectives
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Show All Working: Reading the final column of a truth table
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Practice: The converse of a conditional
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Explain Back: The inverse of a conditional
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Common Mistakes: Writing the converse, inverse and contrapositive of one statement
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Show All Working: The negation of a tautology
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Explain Back: The rule of syllogism
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