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Mathematics 21 Online
OpenStudy (anonymous):

what is y''' of y= sin(x+4) cos (x-4)? a.4cos2x b.4sin2x c.-4sin2x d.-4cos2x

sam (.sam.):

-4cos(2x)

sam (.sam.):

d

OpenStudy (anonymous):

sam is y triple prime very long?

sam (.sam.):

product rule, not very long

OpenStudy (anonymous):

we only study till y doble prime...

OpenStudy (anonymous):

ok ok

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