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Luba_88 [7]
3 years ago
5

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = 3 cos 5θ

Mathematics
2 answers:
Alex Ar [27]3 years ago
7 0

Answer:

symmetric only to x-axis

Step-by-step explanation:

Hatshy [7]3 years ago
5 0

Answer:

Step-by-step explanation:

r=3 cos 5∅

change ∅ to -∅

r=3cos(-5∅)=3 cos (5∅)

so it does not change.

Hence it is symmetric to x-axis.

change r to -r

-r=3 cos 5∅

or r=-3 cos 5∅

so eq. changes .

Hence it not symmetric to y-axis.

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