674 prompts matching "Expanding cos of 3 theta using de Moivre's theorem"
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Coordinate geometry proof: isosceles triangle
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat
Gradient as a rate of change interpretation
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Finding an unknown coordinate using the gradient formula
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Finding the equation of a median of a triangle
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Changing the subject of a simple formula
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Factorising a quadratic with a coefficient in front of x squared
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Quiz me rapid-fire on expanding and factorising
I am in SS 1. I'm going to explain a rapid-fire quiz alternating between expanding a brack
Worked Example: Why the square root of a non-square whole number is irrational
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Practice: Deciding whether root 16 is rational or irrational
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Quiz: Reducing two surds to the same root in order to compare them
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Worked Example: Rationalising a denominator that is a single surd
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Explain Back: Simplifying the answer once the denominator is rational
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WAEC Prep: Rationalising a denominator inside a larger expression
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Learn: The conjugate of a compound surd expression
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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