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OpenStudy (anonymous):
state an equivalent expression for sec(-pi/2) in terms of the related acute angle
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OpenStudy (amorfide):
do you know what sec(x) is in terms of cos(x)
OpenStudy (anonymous):
1/cos(-pi/2) ?
OpenStudy (anonymous):
i dont know...
OpenStudy (amorfide):
yes
OpenStudy (anonymous):
yes but i dont know how to work from there
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OpenStudy (anonymous):
the answer is sec(pi/2)
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