![\theta \in [\frac{\pi}{2}; \pi]\\cos(\theta) = \frac{-1}{5}](/tpl/images/0179/6398/8cca1.png)
![\theta \in [0, \pi]](/tpl/images/0179/6398/415b9.png)
. And the negative for 
Given the following, use a pythagorean identity to find sin() if is in quadrant ii.
cos(0) = -...
Mathematics, 19.08.2019 20:10, dbrwnn
Given the following, use a pythagorean identity to find sin() if is in quadrant ii.
cos(0) = -1/5
Answers: 1
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