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OpenStudy (anonymous):
can someone answer this you'll be my best friend Use a calculator to approximate an angle measure for cos-1 0.7439. Round to the nearest tenth of a degree.
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jimthompson5910 (jim_thompson5910):
Do you have a calculator? If so, what kind do you have?
OpenStudy (anonymous):
rounded to the nearest tenth would be one bc if you plug it in it equals .98
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