anonymous
  • anonymous
Identify and graph this polar equation. r = 3 cos(4θ) a)The graph will be a cardioid. b)The graph will be a limacon with an inner loop. c)The graph will be a limacon without an inner loop. d)The graph will be a rose with 3 petals. e)The graph will be a rose with 4 petals. f)The graph will be a rose with 5 petals. g)The graph will be a rose with 8 petals. h)The graph will be a lemniscate. i)The graph will be a spiral.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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amistre64
  • amistre64
really? we gotta remember definitions and stuff?
anonymous
  • anonymous
yep haha
anonymous
  • anonymous
oh btw i tried 1 and it was wrong aswell

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amistre64
  • amistre64
must be an error in the program then ;)
anonymous
  • anonymous
ok ill tlk to the admin
amistre64
  • amistre64
lets plug in some numbers or simplify it by using wolfram ;)
anonymous
  • anonymous
hahaha. btw wud u be able to right a brief solution for max disp at rest position for that previous q? much appreciated
amistre64
  • amistre64
the max displacement is 1; it moves up and dowm; it ocsilates between 1 and -1. So we must not be looking at the question right
amistre64
  • amistre64
http://www.wolframalpha.com/input/?i=polar+r+%3D+cos%284t%29
amistre64
  • amistre64
8 petals; go with g
anonymous
  • anonymous
sweet
anonymous
  • anonymous
For a a function, in polar coordinate, of the form a cos(bθ), the number of petals is equal to 2b.

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