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Mathematics 16 Online
OpenStudy (anonymous):

can someone please use a calculator to approximate the measure of the acute angle A to the nearest tenth of a degree. cos A=0.4415

OpenStudy (amistre64):

arccos(.4415) http://www.wolframalpha.com/input/?i=arccos%28.4415%29

OpenStudy (ash2326):

or just google" arccos (0.4415) in degrees"

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