# What is #int(sinx)/(cos^2 x) dx#?

integrate that with power rule:

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The integral of ( \frac{\sin(x)}{\cos^2(x)} ) with respect to ( x ) is ( -\frac{1}{\cos(x)} + C ), where ( C ) is the constant of integration.

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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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