Math.cos() gives wrong results
43
Is floating point math broken?
69299
Why do these two multiplication operations give different results?
51845
PDF of $Y = \cos(\pi X)$
5747
$\cos(\arcsin(x)) = \sqrt{1 - x^2}$. How?
51890
simple calculation not working for some reason
19477
Floating point arithmetic not producing exact results
116283
How to properly interpret a seemingly contradictory result in Mathematica?
78556
Why isn't [1,2,3] equal to itself in Javascript?
9479
$\sum \cos$ when angles are in arithmetic progression
31738
Python math is wrong
154251
How to force JS to do math instead of putting two strings together
43277
Confused by (apparent) inconsistent precision
118577
Fallacious proof involving trigonometry
3245
Double calculation producing odd result
106803
How to see $\cos x \leq \exp(-x^2/2)$ on $x \in [0,\pi/2]$?
39461
What is the solution of $\cos(x)=x$?
128774
Unexpected result of summation