aragorn44aragorn aragorn44aragorn

13-05-2021
Mathematics

contestada

The Unit Circle

What is cos 180°?

a. 0
b. 1
c. -1
d. 1/2

Please select the best answer from the choices provided

Respuesta :

gohan44gohan gohan44gohan

13-05-2021

Answer:

C. -1

Step-by-step explanation:

I calculated it logically

Answer Link

Аноним Аноним

13-05-2021

Answer:

-1

Step-by-step explanation:

cos = opp/hyp

At 180º

adj = -1

hyp = 1

Cos 180 = -1/1 = -1

Answer Link

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