1,305 prompts matching "Testing an argument for validity by truth table"
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Worked Example: The difference between a permutation and a combination
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WAEC Prep: Pascal's triangle and the combination numbers in it
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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Worked Example: The shape, period and range of the cosine curve
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Common Mistakes: The angle between two lines found from their gradients
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Worked Example: The equation of a circle with a given centre and radius
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WAEC Prep: The length of the tangent from an external point
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Explain Back: The eccentricity of an ellipse
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Worked Example: The interquartile range of a set of ordered data
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Explain Back: The variance of an ungrouped set of data
I have just studied the variance of an ungrouped set of data in my SS3 Further Mathematics
WAEC Prep: The standard deviation of grouped data using an assumed mean
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WAEC Prep: A couple, and why its moment is the same about every point
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Explain Back: The angle of friction, and the coefficient of friction
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Common Mistakes: The work done against friction on an incline
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Worked Example: The acceleration of a body moving round a circle at constant speed
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Explain Back: A car on a banked track
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Worked Example: The amplitude, period and frequency of a simple harmonic motion
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WAEC Prep: The simple pendulum as an example of simple harmonic motion
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Common Mistakes: A particle oscillating on the end of an elastic string
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Show that command word: surd simplification
I am in SS 3. Set me a 'show that' surd question where I must show a given expression simp