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Mathematics 9 Online
OpenStudy (anonymous):

Math Help! Find the cosine and sine of 180o. Round your answers to the nearest hundredth if necessary. https://study.ashworthcollege.edu/access/content/group/59841a3a-ae83-40e0-9ad2-cdbb53b336a0/Algebra%20I%20Part%202/Picture3.jpg A. -1, 0 B. 0, -1.1 C. -0.71, -0.71 D. -0.71, 0.71

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