1,483 prompts matching "IGCSE practice: Carrying out one transformation and then another"
WAEC pitfalls: Applying a law to bases that are not the same
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Exam timing: A timed set of index law simplifications
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Teach me: What makes an equation indicial
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Quiz me: Writing both sides to a common base
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Worked example: An indicial equation solved with logarithms
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WAEC pitfalls: Equating indices when the bases have not been matched
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Exam timing: A timed set of indicial equations
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Worked example: A two-step problem needing two ratios
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WAEC pitfalls: Labelling the sides relative to the wrong angle
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Exam timing: A timed set of right-angled triangle questions
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Quiz me: The exact ratios for 45 degrees
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Worked example: The reference angle for an angle beyond 90 degrees
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WAEC pitfalls: Quoting a special angle ratio as a decimal when an exact value is asked for
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Exam timing: A timed set of special angle questions
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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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Teach me: A logarithm as the index a base must be raised to
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Worked example: Using the power law to simplify a logarithmic expression
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WAEC pitfalls: Treating the logarithm of a sum as the sum of logarithms
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Exam timing: A timed set of logarithm law questions
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