1,331 prompts matching "Converting an answer back out of index form"
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Worked Example: Using the sine rule on the triangle of forces
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Learn: What an unclosed polygon of forces tells you
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Worked Example: Matching each force to the sine of the angle opposite it
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Learn: The expectation of a discrete random variable
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Worked Example: Finding a particular term of a binomial expansion
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Learn: Finding the coefficient of a stated power in an expansion
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Practice: The variance of a binomial distribution as npq
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Learn: The standard deviation of a binomial distribution
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Learn: The mean, median and mode of a normal distribution
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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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Learn: The angle between a vector and one of the axes
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Worked Example: The powers of i, and the cycle they follow
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Learn: The real and the imaginary parts of a complex number
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Practice: The sum of a complex number and its conjugate
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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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Learn: Connected rates of change through the chain rule
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Practice: The range of a projectile on level ground
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