Question about Casio FX-300MS Calculator
Posted by Anonymous on
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Posted on Jan 02, 2017
Frankly my dear, who wants to compute the 99th derivative of sin(x)?
d^2/dx^2 (sin(x))= d/dx( cos(x))=-sin(x)
d^3/dx^3 (sin(x))= -cos(x)
In 100 successive differentiations you perform the foregoing sequence 100/4=25 times, and you end up with sin(x). Hence in the 99th step the derivative was -cos(x).
Hope it helps.
Posted on Oct 21, 2009
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