Explain how to use the unit circle to find sin 180°

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Mathematics

Whispy

19 May, 13:49

Explain how to use the unit circle to find sin 180°

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Sweet Tea · Answer 1

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Step-by-step explanation:

We know sin is the y placement in coordinates. ex: (x, y) or (cos, sin).

We also know that 180° is a straight line. So, when we move over 1 unit that makes our x = 1 (or cos (180 degress) = 1). When we only move over 1 but not up or down that makes our y = 0 (or sin (180 degrees) = 0)