Limit Question: lim theta---> 0 sin theta / 3 theta + tan theta: When you multiply 1/ cos theta by 1/ theta why doesn't your value change?
68835
Trigonometric limit: Dividing the Numerator and Denominator by $\theta\;?$
39148
Does $\lim_{(x,y)\to(0,0)}[x\sin (1/y)+y\sin (1/x)]$ exist?
79299
Strange behavior of $\lim_{x\to0}\frac{\sin\left(x\sin\left(\frac1x\right)\right)}{x\sin\left(\frac1x\right)}$
122093
Limit involving cosine function
53969
Finding a limit using change of variable- how come it works?
47432
Change of Variables in Limits (Part 1)
21670
Why does an infinite limit not exist?
137768
Limit Ordinal Question
64860
Evaluation of $\lim\limits_{x\rightarrow0} \frac{\tan(x)-x}{x^3}$
39862
Why does the derivative of sine only work for radians?
116423
What is wrong with the argument $1 = \lim_{n\to \infty} n/n = \lim_{n\to\infty} (1/n+1/n+\dotsb+1/n) = 0 $?
91310
Does a limit point always exist?
27423
Why does $\lim_{x\to 0^+} x^{\sin x}=1$?
5947
Limit of a trigonometric rational expression
17019
Show that: $\lim\limits_{r\to\infty}\int\limits_{0}^{\pi/2}e^{-r\sin \theta}\text d\theta=0$
1908
Compute $ \lim\limits_{n \to \infty }\sin \sin \dots\sin n$
7309
Why $\lim\limits_{n\to \infty}\left(1+\frac{1}{n}\right)^n$ doesn't evaluate to 1?