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Find the maximum value of |r| and any zeros of r.

0 votes

Find the maximum value of |r| and any zeros of r.

r = 4 cos 3Ѳ

asked Feb 11, 2015 in TRIGONOMETRY by anonymous
reshown Feb 11, 2015 by goushi

1 Answer

0 votes

Step 1:

The polar equation is image.

The maximum value of image for a polar equation image is

image.

The maximum value of image for a polar equation image is

image.

Step 2:

The zeros of image for a polar equation image is

image.

The zeros of image for a polar equation image is
image.

Solution :

The maximum value of image is image.

The zeros of image is image.

answered Feb 11, 2015 by joseph Apprentice

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