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Mathematics 14 Online
OpenStudy (anonymous):

determine approx. solutions for cosx+.9=0 to the nearest hundredth radian

OpenStudy (anonymous):

cos x = -0.9 \[x = cos^{-1} (0.9)}\]

OpenStudy (anonymous):

i solved for one, i got 2.69 but how do u find the other solution

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