# What is the equation of the line normal to # f(x)=tan^2x-3x# at # x=pi/3#?

Equation of normal at

Hence, equation of normal using point slope form is

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The equation of the line normal to f(x) = tan^2x - 3x at x = pi/3 is y = -3√3(x - pi/3) + 3√3.

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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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