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OpenStudy (anonymous):
how do you find the secant of (-3pi/5) to three decimal places?? calculator??
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OpenStudy (anonymous):
just say 1/(cos(-3pi/5)) because sec(theta)=1/cos(theta)
OpenStudy (anonymous):
i know, but do you think i need to just plug that in or is there something more??
OpenStudy (anonymous):
I would make sure your calculator is in radian mode, but other than that, you should get the right answer
OpenStudy (anonymous):
alright. thanks!
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