# How do you find the derivative of #cos(1-2x)^2#?

Apply the chain rule more than once.

The cosine function is the first problem.

The squared term is the second problem.

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To find the derivative of ( \cos(1 - 2x)^2 ), you can use the chain rule. The derivative is ( -4\cos(1 - 2x) \sin(1 - 2x) ).

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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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