1,325 prompts matching "The identity linking alpha squared plus beta squared to the sum and product"
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WAEC Prep: Proving two given lines parallel from their gradients
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Show All Working: Proving two given lines perpendicular from their gradients
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Common Mistakes: The angle between two lines found from their gradients
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WAEC Prep: The length of the tangent from an external point
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Show All Working: The intersection of a circle and a straight line
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Common Mistakes: The coefficient of variation, for comparing two sets
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WAEC Prep: A couple, and why its moment is the same about every point
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Common Mistakes: The centre of gravity of a uniform lamina
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WAEC Prep: The closest approach of two moving ships
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Show All Working: The time at which two bodies are nearest one another
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Common Mistakes: The relative displacement of two bodies after a given time
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Show All Working: A lift, and the person standing in it
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Common Mistakes: What becomes of the tension when the string goes slack
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WAEC Prep: Limiting equilibrium, with a body on the point of sliding
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Common Mistakes: The work done against friction on an incline
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WAEC Prep: The conical pendulum
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WAEC Prep: The simple pendulum as an example of simple harmonic motion
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Common Mistakes: The energy of a body in simple harmonic motion
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Show All Working: The work done in stretching an elastic string
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