755 prompts matching "The three forms of the double angle formula for cosine"
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Proper subsets versus subsets
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Set difference A minus B
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Set operations exam question, multi-part
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Explaining Venn diagram vocabulary in my own words
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Common mistakes with set notation
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Logical reasoning puzzle solved using sets
I am in SS 1. I'm going to explain a short logical reasoning puzzle about groups of people
Recognising arithmetic vs geometric sequences
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Arithmetic mean between two numbers
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Geometric mean between two numbers
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Multi-part progression problem with an unknown first term
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Coordinate geometry exam question: quadrilateral vertices
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Locus problem: points equidistant from two fixed points
I am in SS 1. Quiz me with 3 short Additional Maths questions on a locus-style coordinate
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving a word problem using simultaneous equations
I am in SS 1. I'm going to explain a word problem that must be solved by setting up and so
Learn: Telling a rational number from an irrational one
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Learn: What makes two surds similar
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Final Revision: Surds that cannot be combined at all
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Final Revision: Checking a conjugate answer by multiplying back
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Learn: Solving an equation with a single square root term
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