billy18 billy18

12-07-2016
Mathematics

contestada

Can someone please answer. There is one problem. There's a picture. Thank you!

Can someone please answer There is one problem Theres a picture Thank you class=

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dalendrk dalendrk

13-07-2016

[tex]\cos x=-1\ then\ x=180^o\ and\ x=-180^o[/tex]

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