b) x = cos 21, y=cos/ X = (x,y) 8 1 y 6. T1/4 T/2 Зл/4 4 2 5n/4 Зл/2 7n/4 -8 -6 -4 -2 2 4 -2 -4 2n -6 -8

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 11E
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Complete the chart rounding to one decimal place based on the given values. Then sketch the curve by using the parametric equations to plot points. At the end state what conic does the graph look like. Thank you.

b) x = cos 21,
y = cos/
X =
(x,y)
8 1 y
6
T/4
п/2
Зл /4
4
2
5n/4
Зп/2
71/4
-8
-6
-4
-2
2
4
6
-2
-4
-6
-8
Transcribed Image Text:b) x = cos 21, y = cos/ X = (x,y) 8 1 y 6 T/4 п/2 Зл /4 4 2 5n/4 Зп/2 71/4 -8 -6 -4 -2 2 4 6 -2 -4 -6 -8
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