اريد حل 3.3 ....

[لولي12]

Use the equation given below to find f ' (x), and f '' (x).
f (x) = 9 ex cos (x)
f ' (x) =
1


f '' (x) =
2




Use the equation given below to find f '' (π/6). f (x) = csc(x)
f '' (π/ 6) = 1




Find the limit for the given function.

1



Find the limit for the given function.
1

[لولي12]

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