901 prompts matching "Area of a triangle from three coordinates"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Show All Working: Arrangements of the letters of a given word
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Learn: The meaning of n choose r, and how to evaluate it
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WAEC Prep: Pascal's triangle and the combination numbers in it
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Common Mistakes: Selections in which at least one of a kind must appear
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Explain Back: The compound angle formula for tan of A plus B
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Common Mistakes: Expressing a cos x plus b sin x in the form R cos of x minus alpha
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Common Mistakes: Giving the general solution of a trigonometric equation
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Learn: The shape, period and range of the sine curve
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Worked Example: The shape, period and range of the cosine curve
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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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WAEC Prep: A phase shift in y equals sin of x minus d
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Show All Working: Reading the solutions of a trigonometric equation off a graph
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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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Learn: The equation of a circle with its centre at the origin
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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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Spot My Mistake: The equation of the tangent to a circle at a point on it
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Show All Working: The intersection of a circle and a straight line
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