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Mathematics 18 Online
OpenStudy (magbak):

CHECK MY WORK PLEASE 2. Cos2u= 1-sin^2(3/5) 4. sin2a= 2sin(7/25)cos(24/25)

OpenStudy (magbak):

@Hero @Loser66

OpenStudy (magbak):

@whpalmer4

OpenStudy (magbak):

@hartnn

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