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Masteriza [31]
3 years ago
8

The Unit Circle

Mathematics
2 answers:
Furkat [3]3 years ago
6 0

Answer:

-1

Step-by-step explanation:

cos = opp/hyp

At 180º

adj  = -1

hyp = 1

Cos 180 = -1/1 = -1

MAVERICK [17]3 years ago
5 0

Answer:

C. -1

Step-by-step explanation:

I calculated it logically

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