# How do you find the derivative of # y = sin(x cos x)# using the chain rule?

Use of the Product Rule If you are studying maths, then you should learn the Product Rule for Differentiation, and practice how to use it:

I was taught to remember the rule in words; "The first times the derivative of the second plus the second times the derivative of the first ".

Use of the Chain Rule You should learn the Chain Rule for Differentiation, and practice how to use it:

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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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