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need to understand this asap, help please Graph the equation. r = 7 cos 20 Choose the correct graph below. The scale on r is

need to understand this asap, help please

Graph the equation. r = 7 cos 20 Choose the correct graph below. The scale on r is from - 10 to 10 in increments of 2. OA. OB. O C. O 1209 29 153 . 120 1 90 80" 30 120% 285 60 150 152 180 1809 180 24he 2464 3006 2709 2702

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