1,483 prompts matching "IGCSE practice: The bounds of a number rounded to the nearest unit"
WAEC pitfalls: Applying a law to bases that are not the same
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Practice set: Equating the indices once the bases agree
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Practice set: Choosing the ratio that fits the information given
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WAEC pitfalls: Labelling the sides relative to the wrong angle
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Practice set: The ratios at nought and 90 degrees
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Spot my mistake: The sign of each ratio in the four quadrants
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Teach me: The shape and period of the sine and cosine curves
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Explain back: The angle of elevation and where it is measured from
I have just studied the angle of elevation and where it is measured from in my SS1 Mathema
Worked example: Finding the height of a mast from its angle of elevation
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WAEC pitfalls: Taking the angle from the vertical instead of the horizontal
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Explain back: The law for the logarithm of a product
I have just studied the law for the logarithm of a product in my SS1 Mathematics class. Le
Spot my mistake: The law for the logarithm of a quotient
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WAEC pitfalls: Treating the logarithm of a sum as the sum of logarithms
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Worked example: The shape of a logarithmic graph
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Quiz me: Reducing a number to its residue modulo n
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Word problem: The cycle length of a modulus
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WAEC pitfalls: Reducing to a residue outside the permitted range
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Nigerian scenario: Market days and the days of the week as modular cycles
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Practice set: The empty set and the universal set
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Word problem: The complement of a set in a survey problem
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