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Results tagged with plotting
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user 58889
Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.
25
votes
Why is Mathematica converting Sin(x + pi/2) to Cos(x)?
Sin[x + Pi/2] can be written in an easier way due to mathematical formula:
$\sin(a + b) = \sin(a)\cos(b) + \sin(b)\cos(a)$
Here, $a = x$ and $b = \pi/2$. You need to know that $\sin(\pi/2) = 1$ and …
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