Evaluating integrals with sigma notation - Mathematics Stack …
Evaluating integrals with sigma notation Ask Question Asked 13 years, 2 months ago Modified 8 years, 2 months ago
Is there a way to get trig functions without a calculator?
In school, we just started learning about trigonometry, and I was wondering: is there a way to find the sine, cosine, tangent, cosecant, secant, and cotangent of a single angle without using a …
Polar Coordinates as a Definitive Technique for Evaluating Limits
Mar 24, 2017 · A lot of questions say "use polar coordinates" to calculate limits when they approach 0 0. But is using polar coordinates the best way to evaluate limits, moreover, prove …
Easy way to compute logarithms without a calculator?
Feb 14, 2016 · I would need to be able to compute logarithms without using a calculator, just on paper. The result should be a fraction so it is the most accurate. For example I have seen this …
Evaluating $\\lim\\limits_{n\\to\\infty} e^{-n} …
I'm supposed to calculate: $$\\lim_{n\\to\\infty} e^{-n} \\sum_{k=0}^{n} \\frac{n^k}{k!}$$ By using WolframAlpha, I might guess that the limit is $\\frac{1}{2 ...
Evaluating $ \\lim\\limits_{n\\to\\infty} \\sum_{k=1}^{n^2} …
How would you evaluate the following series? $$\\lim_{n\\to\\infty} \\sum_{k=1}^{n^2} \\frac{n}{n^2+k^2} $$ Thanks.
How to prove that limit of arctan(x) as x tends to infinity, is $\\pi/2$?
While working on some probability question, I had to evaluate limx→∞ arctan(x) lim x → ∞ arctan (x). I knew the answer intuitively as π/2 π / 2, yet I cannot figure out how to prove it by …
Show that $\\det(A) = 0$ without directly evaluating the determinant
Oct 20, 2017 · Show that det(A) = 0 det (A) = 0 without directly evaluating the determinant Ask Question Asked 7 years, 8 months ago Modified 7 years, 8 months ago
limits - Evaluating $\lim_ {x\to 0}\frac {e^x+e^ {-x}-2} {1-\cos x ...
Oct 18, 2019 · Compute without using L'Hospital's Rule $$\\lim_{x\\to 0}\\dfrac{e^x+e^{-x}-2}{1-\\cos x}.$$ I thought of simplifying the limit as shown below. \\begin{align} \\lim ...
Using Horner's Method - Mathematics Stack Exchange
I'm trying to evaluate a polynomial recursively using Horner's method. It's rather simple when I have every value of $x$ (like: $x+x^2+x^3...$), but what if I'm ...