1,315 prompts matching "Rationalising and then simplifying fully"
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Show All Working: Counting the handshakes, or the lines joining n points
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Final Revision: Combinations used with the addition and multiplication principles
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Worked Example: The identities for one plus tan squared and one plus cot squared
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Show All Working: The half angle formulae and the t-substitution
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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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Final Revision: The graphs of y equals sec x, cosec x and cot x
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Worked Example: The equation of a circle with a given centre and radius
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Show All Working: The intersection of a circle and a straight line
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Practice: The ellipse in standard form, and its two axes
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WAEC Prep: The hyperbola in standard form, and its asymptotes
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Spot My Mistake: The standard deviation of an ungrouped set of data
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Show All Working: The effect on the standard deviation of adding a constant to every value
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Worked Example: The sign convention for clockwise and anticlockwise moments
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WAEC Prep: A couple, and why its moment is the same about every point
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Final Revision: A ladder leaning against a wall, and the moments acting on it
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
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WAEC Prep: A car towing a trailer, and the force in the tow bar
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Show All Working: A lift, and the person standing in it
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