# How do you take the derivative of # tan^2(4x)#?

Apply the rule of chains:

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To find the derivative of ( \tan^2(4x) ), you would use the chain rule. The derivative is ( 8\tan(4x)\sec^2(4x) ).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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