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Mathematics 8 Online
OpenStudy (ksaimouli):

sec(−5Π/4)

OpenStudy (anonymous):

first find \[\cos(-\frac{5\pi}{4})\]then take the reciprocal (flip it)

OpenStudy (ksaimouli):

i got |dw:1326122836492:dw|

OpenStudy (anonymous):

yes but you do not want to leave it in this form

OpenStudy (ksaimouli):

oh yup

OpenStudy (anonymous):

rationalize the denominator and get \[-\sqrt{2}\]

OpenStudy (ksaimouli):

|dw:1326122898934:dw|

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