# What is the equation of the line tangent to # f(x)=secxtanx # at # x=pi/3#?

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The equation of the line tangent to f(x) = sec(x)tan(x) at x = pi/3 is y = sqrt(3)x + sqrt(3)/2.

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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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