Chapter 4: Problem 38
Convert each angle in radians to degrees. Round to two decimal places. $$\frac{\pi}{17} \text { radians }$$
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Chapter 4: Problem 38
Convert each angle in radians to degrees. Round to two decimal places. $$\frac{\pi}{17} \text { radians }$$
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Use a graphing utility to graph two periods of the function. $$y=3 \sin (2 x+\pi)$$
Let \(f(x)=\left\\{\begin{array}{ll}x^{2}+2 x-1 & \text { if } x \geq 2 \\ 3 x+1 & \text { if } x<2\end{array}\right.\) Find \(f(5)-f(-5) . \text { (Section } 1.3, \text { Example } 6)\)
Graph: \(x^{2}+y^{2}=1 .\) Then locate the point \(\left(-\frac{1}{2}, \frac{\sqrt{3}}{2}\right)\) on the graph.
What does a phase shift indicate about the graph of a sine function? How do you determine the phase shift from the function's equation?
Use a graphing utility to graph each pair of functions in the same viewing rectangle. Use a viewing rectangle that shows the graphs for at least two periods. $$y=-3.5 \cos \left(\pi x-\frac{\pi}{6}\right) \text { and } y=-3.5 \sec \left(\pi x-\frac{\pi}{6}\right)$$
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