# What is the equation of the tangent line of #f(x) =(sin2x)/(cos2x)-tanx# at #x=pi/8#?

This provides the tangent's slope.

Consequently, the equation of tangent in point slope form is

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The equation of the tangent line of f(x) at x=pi/8 is y = -2x + 1.

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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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- At what point on the given curve is the tangent line parallel to the line 5x - y = 5? y = 4 + 2ex − 5x
- What is the equation of the line tangent to # f(x)=(3x-1)(2x+4) # at # x=-1 #?

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