Question: If f ( x ) =3cos 2 ( x ), compute its differential df . df = 3sin(2 x ) dx Approximate the change in

If f(x) =3cos2(x), compute its differentialdf.

df= 3sin(2x)dx

Approximate the change infwhenxchanges from

x= pi/6

to

x= pi/6+0.1

(Round your answer to three decimal places.)

f

Approximate the relative change infasxundergoes this change. (Round your answer to three decimal places.)

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