The variables r and 8 represent polar coordinates. (a) Write each polar equation in rectangular coordinates (x, y). (b) Identify the equation. 7. r= 4 cos 0 9. r = sin 8 8. r sin 0 = 3 10. r cos 0 + 3r sin 0 = 6

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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The variables r and 8 represent polar coordinates. (a) Write each polar equation in rectangular
coordinates (x, y). (b) Identify the equation.
7. r= 4 cos 0
9. r = sin 0
8. r sin 0 = 3
10. r cos 0 + 3r sin 0 = 6
Transcribed Image Text:The variables r and 8 represent polar coordinates. (a) Write each polar equation in rectangular coordinates (x, y). (b) Identify the equation. 7. r= 4 cos 0 9. r = sin 0 8. r sin 0 = 3 10. r cos 0 + 3r sin 0 = 6
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