SOLUTION: . Evaluate the derivative of y = tan(4x+1)

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Question 813584: . Evaluate the derivative of y = tan(4x+1)

Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the derivative of y = tan(4x+1)
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y' = 4sec^2(4x+1)

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
Evaluate the derivative of y = tan(4x+1)
Using the Chain Rule: y '= %28dy%2Fdu%29+%28du%2Fdx%29
Let u = (4x+1), %28du%2Fdx%29+=+4
y = tan(u)
y' = %28dy%2Fdu%29+%28du%2Fdx%29= 4sec^2(u)
y ' = 4sec^2(4x+1) | u = (4x+1)