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OpenStudy (anonymous):
compute: if sec x=-5 compute sin(-t)+cos (-t)
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OpenStudy (anonymous):
Well, what is sec, isnt sec just 1/cos
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
secx=1/cosx =-5. cos x= 1/-5... x=arc cos(-1/5)= 101.54 degrees
OpenStudy (anonymous):
did you get it chem? good luck for now lol....
OpenStudy (anonymous):
kind of..where did you get secx=1/cosx=-5?
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