# What is the equation of the tangent line of #f(x)=e^(x^2)/cosx# at #x=pi/4#?

Equation of tangent is

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The equation of the tangent line of f(x)=e^(x^2)/cosx at x=pi/4 is y = (2e^(pi^2/16) - sqrt(2)e^(pi^2/16))(x - pi/4) + e^(pi^2/16)/cos(pi/4).

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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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