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OpenStudy (anonymous):
how do you find an arcsine arccos arctan etc. without using a calculator
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OpenStudy (anonymous):
yea but what if its an irrational number
OpenStudy (anonymous):
ex.sin(theta)=0.634
OpenStudy (anonymous):
okay now i know that one is 317/500 but say it doesnt come out to a fraction like that
OpenStudy (anonymous):
that is certainly not an irrational number, (just thought i would mention it)
OpenStudy (anonymous):
sin(theta)=0.234523452352.... that one
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OpenStudy (anonymous):
still not irrational
OpenStudy (anonymous):
yea it is i put dots so it goes on forever
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