1,334 prompts matching "The sum of an arithmetic progression with a negative common difference"
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Practice: The direction of the resultant of several coplanar forces
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Worked Example: Using the sine rule on the triangle of forces
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Explain Back: The units of a moment, and why they are newton metres
I have just studied the units of a moment, and why they are newton metres in my SS3 Furthe
Worked Example: Matching each force to the sine of the angle opposite it
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Practice: The variance of a binomial distribution as npq
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WAEC Prep: The standard normal distribution, with mean nought and variance one
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Practice: The components of a vector given its magnitude and direction
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Worked Example: The triangle law of vector addition
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Practice: The dot product as the magnitudes times the cosine of the angle
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Explain Back: The resultant of forces given as vectors
I have just studied the resultant of forces given as vectors in my SS3 Further Mathematics
Worked Example: The powers of i, and the cycle they follow
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Practice: The argument of a complex number in the second or third quadrant
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Practice: The addition of complex numbers shown on an Argand diagram
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Explain Back: The locus of a complex number at a fixed distance from a point
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Explain Back: The constant of integration, and why it appears
I have just studied the constant of integration, and why it appears in my SS3 Further Math
Practice: The range of a projectile on level ground
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Explain Back: The line of best fit, and the regression line
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Explain friction and the coefficient of friction
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Show all working: the range and the greatest height of a projectile
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Worked example: finding the matrix of cofactors and the adjugate
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