755 prompts matching "The three forms of the double angle formula for cosine"
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Finding the number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Distance from a point to the centre of a circle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
Expanding a product of three brackets
I am in SS 1. I'm going to explain expanding a product of three linear brackets, such as (
Learn: Simplifying root 72 into its simplest form
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Spot My Mistake: A binary operation defined on a set of three elements
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Final Revision: Why closure is checked before any other property
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Show All Working: Writing a quadratic solution set in interval form
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Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Solving for x when three terms are in arithmetic progression
I am in SS 1. I attempted an Additional Maths question on finding the value of x given tha
Solving for x when three terms are in geometric progression
I am in SS 1. Teach me finding the value of x given that three algebraic expressions in x
Finding the equation of a line parallel to the x-axis or y-axis through a point
I am in SS 1. I'm going to explain finding the equation of a line through a given point th
Worked Example: Why the square root of a non-square whole number is irrational
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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Learn: The conjugate of a compound surd expression
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Common Mistakes: Closure on a set of three elements under a stated rule
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Learn: What it means for one operation to distribute over another
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Common Mistakes: Distributivity on a set of three elements
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Spot My Mistake: Finding the inverse of a given element
Act as my SS1 Further Mathematics tutor. Work a question on finding the inverse of a given