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I cant seem to get the inverse cos working on the calculator. Can somebody run through the sequence for example given cos =0.573 what is the angle value?

 Jun 14, 2018
 #1
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cos-1(0.573)=55.04o

To enter inverse cosine on the web2.0calc calculator, hit shift as you press cos, or enter acos(value)

 Jun 14, 2018
 #2
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Thank you so much.smiley

Guest Jun 14, 2018

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