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Mathematics 20 Online
OpenStudy (anonymous):

How can I figure out what is arcsec(2)?

OpenStudy (anonymous):

arccos =sec arcsec=cos

OpenStudy (anonymous):

Cos(2)?

OpenStudy (aristo):

|dw:1318926144189:dw| this is how you work out arcsec(x) but theres no answer for arcsec(2) because cos inverse only works from -1 to 1

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