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13-05-2021
Mathematics

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The Unit Circle

What is cos(-30*)? Sketch a graph to help determine the answer

a. 0.50
b. 0.87
c. -1
d. 0

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

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