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OpenStudy (anonymous):
Find the derivative of y = -2sinx + 2cos2x
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OpenStudy (anonymous):
use the product & chain rule -2cos(x)-2sin(2x)2 = > -2cos(x)-4sin(2x)
OpenStudy (anonymous):
Ok thats what I got, thank you :D
OpenStudy (anonymous):
That's just chain rule, but yes, that's correct.
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