# How do you differentiate #y = 10cosx#?

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To differentiate y = 10cosx, you apply the chain rule of differentiation. The derivative of cosine function is negative sine function. So, the derivative of y = 10cosx is -10sinx. Therefore, dy/dx = -10sinx.

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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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