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Hello math helpers and others. Before I ask my question I would like to say that I appreciate everyone's help on these boards, and I hope that I will not be too large of a nuisance in the future. I am in my first calculus class, and it appears that I am going to need a lot of help. I was a member of the previous forum, but I didn't post often, so I hope there isn't any type of limit.

Here's my question.

$$\displaystyle\lim_{\theta\rightarrow 0} {\frac{\sec(\theta)-1}{\theta}}/$$

Um, really don't know where to go from here. Should I expand that numerator to be (1/cos(Θ)) - 1? I know the basic rules of sinx/x = 1, and cosx-1/x = 0, and how to simplify simple things like sin2x/x, but I can't seem to get a start on this one.

Any help would be greatly appreciated. Also, I usually prefer to use Latex, but my typical [itex] tags aren't working, and $$ centers it. Any advice on getting an in line equation, so I don't just have to type sin(x)/x?

Thanks again,

Mac

*EDIT* I think I figured out the LaTex

Here's my question.

$$\displaystyle\lim_{\theta\rightarrow 0} {\frac{\sec(\theta)-1}{\theta}}/$$

Um, really don't know where to go from here. Should I expand that numerator to be (1/cos(Θ)) - 1? I know the basic rules of sinx/x = 1, and cosx-1/x = 0, and how to simplify simple things like sin2x/x, but I can't seem to get a start on this one.

Any help would be greatly appreciated. Also, I usually prefer to use Latex, but my typical [itex] tags aren't working, and $$ centers it. Any advice on getting an in line equation, so I don't just have to type sin(x)/x?

Thanks again,

Mac

*EDIT* I think I figured out the LaTex

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