# How do you find the derivative of # y = tanx + cotx #?

Treat the tanx separately and the cotx separately. Don't forget the derivatives for trig functions:

Derivative of

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A bit of a different approach...

Rewrite in terms of sine and cosine.

Hopefully this helps!

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To find the derivative of ( y = \tan(x) + \cot(x) ):

[ \frac{d}{dx}(\tan(x) + \cot(x)) = \sec^2(x) - \csc^2(x) ]

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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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