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Precalculus 10 Online
OpenStudy (anonymous):

cos-1(15/19) x=

OpenStudy (jdoe0001):

\(\bf cos^{-1}\left(\frac{15}{19}\right) = \theta \qquad \qquad cos(\theta) = \frac{15}{19}\) |dw:1377458665544:dw|

OpenStudy (jdoe0001):

what do you think is the "x" coordinate?

OpenStudy (anonymous):

the x coordinate is the the opposite leg all I need to know is what its equal to, I don't have a scientific calculator for the right equation, do you know a site that I could use

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