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OpenStudy (anonymous):
arc tan -2/5 in fraction please ?
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OpenStudy (anonymous):
......... don't you have a calculator? It's the same as -(ArchTan(2/5)), isn't it?
OpenStudy (anonymous):
my calculator answer in decimal , i need the fraction for doing my homework
OpenStudy (anonymous):
2/5 is a fraction. Or else it would just be ((90 degrees/100)*the angle answer)/100 and maybe simplified.
OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
so i just doing 90/100*-21.8 ?
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