1,483 prompts matching "When the cosine rule is needed rather than the sine rule"
Worked example: Ordering a mixed list of fractions, decimals and percentages
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Worked example: Spotting a misleading scale on a chart
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Worked example: Finding a missing dimension from a given compound volume
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Quiz: Converting a base ten number to base five by repeated division
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Quiz: A fractional index whose numerator is not one
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Worked example: The simple interest formula and its symbols
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Worked example: Subtracting algebraic fractions using the lowest common multiple
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Worked example: Solving a quadratic with the formula
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Worked example: Leaving equal gaps between the bars of a bar chart
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Worked example: The reciprocal of a whole number and of a fraction
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Worked example: Adding two durations that cross into the next hour
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Spot my mistake: Converting a fraction to a decimal by division
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Quiz: Factorising an algebraic expression by extracting
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Worked example: The interior and exterior angles of a polygon
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Quiz: Deciding which method is fastest for a given quadratic
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Worked example: Reading the coordinates of a point off a Cartesian grid
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Find my error: Finding the logarithm of a number greater
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Extra quiz: Finding the rate or the time from a given interest
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Extra quiz: Identifying the gradient and intercept from a drawn line
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Another worked example: Showing that the sum of the exterior
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