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2 October, 23:05

Sin theta = - 5/13 and cos theta = - 12/13 use ratio identity to find cot theta

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  1. 2 October, 23:11
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    This is in the 3rd quadrant, so - 12 is the adjacent side of the 5,12,13 triangle.

    Cot (theta) = - 12 / (-13) = 12/13
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