# What is the equation of the tangent line of # f(x)=sinpix # at # x=3 #?

Either two points are required to construct a straight line, or one would prefer to use a point and the gradient.

the tangent line equation:

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The equation of the tangent line of f(x)=sinpix at x=3 is y = -pi*cos(3*pi)*(x-3) + sin(3*pi).

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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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