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OpenStudy (anonymous):
find the approximate value of cos^-1(0.55)
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OpenStudy (anonymous):
33.37° 66.73° 28.81° 56.63°
OpenStudy (ivettef365):
Use calculator
OpenStudy (anonymous):
i got 28.81 but i dont think thats correct.
OpenStudy (ivettef365):
you can go to www.picalc.com then press acos(0.55)
OpenStudy (shamim):
56.63
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OpenStudy (ivettef365):
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