CPM Homework Help : PC3 Problem 10-66

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10-66.

Graph two complete cycles of each of the following trigonometric functions.

$f(x)=$ $-4\cos(\frac{1}{5}(x-2))$
Hint (a):
This is a cosine function with an amplitude of $4$ , reflected vertically, shifted right $2$ units, and with a period of $2π/(1/5)$ .

$g(x)=$ $-5\sin^{-1}(x)+1$
Hint (b):
$y = \sin^{−1}(x)$

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