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OpenStudy (anonymous):
Use a calculator to evaluate sec 85°. -1.016 -5.679 1.004 11.474
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OpenStudy (anonymous):
use a calculator!
OpenStudy (nurali):
your calculator probably doesn't do "secant". But sec is 1/cos so do cos(85) (in degree mode, not radian mode) then "invert it": 1 / ANS or x^-1 if you have that key or type 1/cos(85 degrees)=
OpenStudy (anonymous):
I just used an online calculator and I got 11.474. Is that correct?
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