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Mathematics 9 Online
OpenStudy (anonymous):

how would you solve for x in 0=cos2(pi)x ? can i do cos inverse to both sides and be left with 0=x?

OpenStudy (anonymous):

Cos^2(pi) is 1 so you get x = 0/1 = 0

OpenStudy (anonymous):

where did you get the exponent of 2pi?

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