755 prompts matching "The three forms of the double angle formula for cosine"
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Gradient of a line joining two points
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Length of a line segment on a graph
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Changing the subject when the variable appears twice
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Changing the subject with a square or square root
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A three-region overlap problem with unknowns
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Three consecutive terms word problem
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Explaining why sum to infinity only works for |r| < 1
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Finding the centre and radius from a circle's equation
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Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
Index expression with three unknown letters
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Surds arising from Pythagoras' theorem
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Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d
Surds and indices together in one question
I am in SS 1. Teach me a question that requires converting a surd to index form, simplifyi
Union and intersection of two number sets
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Reading values off a completed Venn diagram
I am in SS 1. Teach me reading and interpreting information from a completed two-set Venn
Three-set Venn diagram word problem
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Survey word problem using a three-set Venn diagram
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Set theory laws: commutative and associative
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Sum of a geometric series with a negative common ratio
I am in SS 1. Teach me finding the sum of a geometric series where the common ratio is neg
Sum of a series expressed with algebraic terms
I am in SS 1. Teach me finding the sum of the first n terms of a series where each term is