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OpenStudy (nani200):
find cos theta if sin theta = -12/13 and tan theta > 0 A. -5/12 B. -5/13 C. 12/5 D. -13/12
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OpenStudy (tehhota):
It can only be A or B because cos can never equal more than 1
OpenStudy (nani200):
do you know how to solve it?
OpenStudy (nani200):
how do i know if its a or b
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