1,213 prompts matching "IGCSE Additional Maths Y10: Deciding whether a relation is a function — IGCSE Ex"
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Learn: The meaning of n choose r, and how to evaluate it
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Explain Back: Choosing a committee with a stated number from each of two groups
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WAEC Prep: Pascal's triangle and the combination numbers in it
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Show All Working: Counting the handshakes, or the lines joining n points
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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Explain Back: The compound angle formula for tan of A plus B
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WAEC Prep: The three forms of the double angle formula for cosine
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Show All Working: The half angle formulae and the t-substitution
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Learn: Solving sin x equals a given value between 0 and 360 degrees
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Explain Back: Solving a quadratic in sin x
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WAEC Prep: Solving an equation by first applying a double angle formula
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Show All Working: Solving a cos x plus b sin x equals c by the R method
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Learn: The shape, period and range of the sine curve
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Explain Back: The effect of b in y equals sin bx on the period
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WAEC Prep: A phase shift in y equals sin of x minus d
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Show All Working: Reading the solutions of a trigonometric equation off a graph
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Explain Back: The equation of the line through two given points
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WAEC Prep: Proving two given lines parallel from their gradients
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Show All Working: Proving two given lines perpendicular from their gradients
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Learn: The equation of a circle with its centre at the origin
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