755 prompts matching "The three forms of the double angle formula for cosine"
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Show All Working: Comparing logarithms given in different bases
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Spot My Mistake: A sequence defined by a recurrence relation
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Common Mistakes: An arithmetic progression with a negative common difference
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Show All Working: A geometric progression with a fractional common ratio
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Common Mistakes: Inserting a geometric mean between two numbers
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Spot My Mistake: A compound interest problem modelled by a geometric progression
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Quiz: Multiplying both sides by a positive number
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Spot My Mistake: Solving a linear inequality that contains a fraction
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Common Mistakes: A quadratic inequality that has to be rearranged first
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IGCSE Additional Maths Y10: A mapping diagram, and what it shows — Common Mistakes
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IGCSE Additional Maths Y10: Finding an inverse graphically — Spot My Mistake
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IGCSE Additional Maths Y10: Solving a modulus equation graphically — Practice Set
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IGCSE Additional Maths Y10: Solving a modulus equation algebraically by squaring — Explain It Back
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IGCSE Additional Maths Y10: How many solutions a modulus equation has — Spot My Mistake
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IGCSE Additional Maths Y10: Solving an inequality that contains two modulus expressions — Show All Working
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IGCSE Additional Maths Y10: Where a modulus graph meets a straight line — Common Mistakes
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IGCSE Additional Maths Y10: Proving that a quadratic expression is always positive — Show All Working
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