1. For f(x) = tan¬1 x: a. Use a linear approximation to estimate the value of f(1.2). Give your answer both as a single fraction in lowest terms, and as a decimal to three places. b. Using a calculator, find the difference between dy and Ay to four decimal places.

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A: (c) We have, we know, hence, motion of a particle:Amplitude: Period: Frequency:

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Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: