Chapter 6: Problem 8
\(\theta=2.88\) radians
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Chapter 6: Problem 8
\(\theta=2.88\) radians
These are the key concepts you need to understand to accurately answer the question.
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In Exercises 79-82, find the exact value of the trigonometric function given that \(u\) and \(v\) are in Quadrant IV and \(\sin u=-\frac{3}{5}\) and \(\cos v=1 / \sqrt{2}\). $$ \sin (u+v) $$
In Exercises 53-56, use a graphing utility to graph the polar equation and show that the indicated line is an asymptote of the graph. $$ \begin{array}{ccc} \text { Name of Graph } & \text { Polar Equation } & \text { Asymptote } \\ \text { Conchoid } & r=2-\sec \theta & x=-1 \end{array} $$
\(r=-\frac{3 \pi}{4}\)
In Exercises 79-82, find the exact value of the trigonometric function given that \(u\) and \(v\) are in Quadrant IV and \(\sin u=-\frac{3}{5}\) and \(\cos v=1 / \sqrt{2}\). $$ \sin (u-v) $$
Consider the polar equation $$ r=\frac{4}{1-0.4 \cos \theta} $$ (a) Identify the conic without graphing the equation. (b) Without graphing the following polar equations, describe how each differs from the given polar equation. $$ r_{1}=\frac{4}{1+0.4 \cos \theta}, \quad r_{2}=\frac{4}{1-0.4 \sin \theta} $$ (c) Use a graphing utility to verify your results in part (b).
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