1,483 prompts matching "Rearranging the cosine rule to find an unknown angle"
Check my understanding: The relationship between indices
I am in SS 1. I think I understand the relationship between indices and logarithms now. Le
Find my error: Converting a percentage to a fraction
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Another worked example: Calculating the Value Added Tax (VAT)
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Real-life question: Expanding a bracket and then simplifying
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Another worked example: Simplifying an expression containing a fraction
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Extra quiz: The sign of the numerator when subtracting algebraic fractions
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Check my understanding: Factorising an expression whose common factor carries a minus sign
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Another worked example: Describing a set by listing
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Real-life question: The complement of a union and of an intersection
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Another worked example: A pair of simultaneous equations from a word problem
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Find my error: Writing the equation that represents a direct
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Find my error: Reading the maximum or minimum value off
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Teach me again: The gradient of a horizontal and of a vertical line
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Extra quiz: Identifying the gradient and intercept from a drawn line
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Check my understanding: Proving that the angle sum
I am in SS 1. I think I understand proving that the angle sum of a triangle is 180 degrees
Another worked example: Showing that the sum of the exterior
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More WAEC practice: Applying the condition that two triangles
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Teach me again: The right-angle hypotenuse-side condition
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Another worked example: Why the mode of grouped data is only an estimate
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Teach me again: The class width and the class midpoint
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