Michael Zier wrote:

> http://en.wikipedia.org/wiki/Image:Pendulum_period.svg

"The graph as well as other important points are simply wrong: The time 
at 90° amplitude is 18% larger than T0 and not 7.3% as shown in the 
plot. Then, the author plots the integrand instead of the integral. 
Furthermore, he calculates sin(th0)/2 instead of sin(th0/2). Means, this 
page is seriously flawed!"

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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