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Mathematics 17 Online
OpenStudy (anonymous):

Will someone please help me? I have no clue about this. Thanks in advance! :) Find the exact value of the expression: cos22°

OpenStudy (amistre64):

22 isnt a pretty angle that can be made from known values ... 45/2 = 22.5 but trying to work that into a summation of simple angles may prove frustrating

OpenStudy (amistre64):

the exact value is just that: cos(22)

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