Find the area of the region in the first quadrant enclosed by one petal of the three petal rose. The three petal rose has the polar equation r = sin(30). Sa Sin (30)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.5: Polar Coordinates
Problem 68E
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Find the area of the region in the first quadrant enclosed by one
petal of the three petal rose. The three petal rose has the polar equation
r = sin(36).
r= Sin(30)
Transcribed Image Text:Find the area of the region in the first quadrant enclosed by one petal of the three petal rose. The three petal rose has the polar equation r = sin(36). r= Sin(30)
Expert Solution
Step 1

 

Here we have to find the area of the first quadrant enclosed by one petal of the three petal rose.

 

given that the polar equation of the petal rose is r = sin (3 theta)

 

Find the angle where the curve begins and ends. for this set r = 0, and then solve equation:

r=sin3θsin3θ=0The general solution for sin3θ=03θ=0+2πnθ=2πn33θ=π+2πnθ=π3+2πn3In first quadrand it varies from:θ1=0 to θ2=π3

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