719 prompts matching "Summarise trigonometric identities and equations for quick revision"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Substituting values into an algebraic expression
I am in SS 1. Teach me substituting given numerical values into an algebraic expression co
Multi-part algebraic manipulation exam question
I am in SS 1. I attempted an Additional Maths question on a Cambridge/Additional Maths sty
WAEC-style past question on algebraic fractions
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Worked Example: Why the square root of a non-square whole number is irrational
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Worked Example: What makes two surds equal
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WAEC Prep: Ordering a list of surds by size
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Show All Working: Deciding whether two given surds are equal without a calculator
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Worked Example: Adding two surds that simplify to the same root
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WAEC Prep: Squaring a single surd
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Show All Working: Simplifying a surd expression that contains brackets
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Worked Example: Rationalising a denominator that is a single surd
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WAEC Prep: Rationalising a denominator inside a larger expression
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Show All Working: Checking a rationalised answer by decimal approximation
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Worked Example: Why multiplying by the conjugate clears the surd
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Show All Working: A conjugate where the surd term comes first
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Common Mistakes: Rationalising when both terms of the denominator are surds
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WAEC Prep: Writing a binary operation rule from a description in words
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