Math.sin giving weird answers
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Is floating point math broken?
138847
Tricky trigonometric sum evaluation
65986
Arithmetic right shift gives bogus result?
152169
How would we solve this trigonometric equation using vectors?
62148
Gauss's law not making sense
57152
Solve $\sin x = 1 - x$
21905
Simple excel math wrong
31738
Python math is wrong
13688
Why are these numbers not equal?
63737
Incorrect plot using pgfplots (trigonometric functions like cos, sin and tan)
138355
Improper rational/trig integral comes out to $\pi/e$
51610
Consecutively Adding Sines
95979
Trigonometry and algebra question
86894
Finding solution of a Trigonometric equation
77975
How to force correct answers for Integrals of Cos[mx]*Cos[nx]?
157069
sum of double precision gives weird results
7492
Is there a formula for $\sin(xy)$