anonymous
  • anonymous
FAN AND MEDAL For what x-value(s) does cos(x) = -1? -270°, -90°, 90°, and 270° -270°, -90°, 0°, 90°, and 270° -180° and 180° -360°, 0° and 360°
Mathematics
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anonymous
  • anonymous
FAN AND MEDAL For what x-value(s) does cos(x) = -1? -270°, -90°, 90°, and 270° -270°, -90°, 0°, 90°, and 270° -180° and 180° -360°, 0° and 360°
Mathematics
chestercat
  • chestercat
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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xapproachesinfinity
  • xapproachesinfinity
somebody else had this same problem look for it
Vocaloid
  • Vocaloid
http://openstudy.com/study#/updates/55831bfee4b0b31a8a3fee1a if there's anything that's still confusing, feel free to tag me
anonymous
  • anonymous
that is not the same question nor the same equation ??

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Vocaloid
  • Vocaloid
well, not exactly, but after he simplified he ended up with cos(x) = -1, which is the same as your problem look at the later parts of the question
MrNood
  • MrNood
Or better still have a look at the graph of cos (x) from -360 to 360 and see where it is -1 Try to understand the cyclic nature of the cos function...
MrNood
  • MrNood
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anonymous
  • anonymous
oh ok thanks .....
anonymous
  • anonymous
it was -180 and 180

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