1,312 prompts matching "Learn: Deriving the quadratic formula by completing the square"
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Quiz: Solving tan x equals a given value, and the period of the tangent
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Practice: Solving an equation of the form sin of 2x equals a given value
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Common Mistakes: Giving the general solution of a trigonometric equation
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Worked Example: The shape, period and range of the cosine curve
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Quiz: The tangent curve and its asymptotes
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Practice: The effect of a in y equals a sin x
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Explain Back: The effect of b in y equals sin bx on the period
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Spot My Mistake: The effect of c in y equals sin x plus c
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Common Mistakes: Sketching two trigonometric curves on the same axes to find where they meet
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Final Revision: The graphs of y equals sec x, cosec x and cot x
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Quiz: The gradient of the line through two points
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Practice: The equation of a line through a point with a given gradient
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Explain Back: The equation of the line through two given points
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WAEC Prep: Proving two given lines parallel from their gradients
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Common Mistakes: The angle between two lines found from their gradients
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Final Revision: The perpendicular distance from a point to a line
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Worked Example: The equation of a circle with a given centre and radius
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Quiz: Finding the centre and the radius from the general equation
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Practice: The equation of a circle on a given diameter
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Explain Back: Deciding whether a point lies inside, on or outside a circle
I have just studied deciding whether a point lies inside, on or outside a circle in my SS3