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Mathematics 12 Online
OpenStudy (anonymous):

Verify the identity. cos 4x + cos 2x = 2 - 2 sin^(2) 2x - 2 sin^(2) x

OpenStudy (anonymous):

Do you do FLVS?

OpenStudy (anonymous):

yupp. exam review. and the superbowl it starting soon :/

OpenStudy (anonymous):

@6532bunny

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