The given limit is a derivative, but of what function f(x) and at what point. limit as change of x approaches 0 of the (tan(pi/4+change of x)-1)/ change of x. Please help me I am so bad at these and im so very confused!
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Originally Posted by ocmisssunshine The given limit is a derivative, but of what function f(x) and at what point. limit as change of x approaches 0 of the (tan(pi/4+change of x)-1)/ change of x. Please help me I am so bad at these and im so very confused! the function is f(x) = tan(x), and we are considering the derivative at the point x = pi/4 is that what you wanted?
$\displaystyle \lim_{h\rightarrow{0}}\frac{tan(\frac{\pi}{4}+h))-1}{h}$ What is $\displaystyle tan(x)$ when $\displaystyle x=\frac{\pi}{4}$?.
No I have to find what function F(x) and at what point from the limit which is a derivative. which is the tan(pi/4+deltax)-1 all divided by delta x
the tangent of pi/4 is one
Yes. That's what I am getting at. See the 1 in your limit?. The function you wish to find is in front of you.
omg I look over the obvious all the time. Thank you so much!! I always make things more complicated then they have to be.
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