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OpenStudy (df001):
Cos B = -3/5 in the second quadrant. Why is -3 positive instead of negative on the right triangle when drawn on the second quadrant?
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OpenStudy (df001):
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OpenStudy (df001):
Cosine = Adjacent/Hypotenuse thus, shouldn't the adjacent be -3 instead of 3?
OpenStudy (triciaal):
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