btw:
sage: a,b,c,= var('a b c'); integrate(1/(a-b-c*sin(x)) ,x,
algorithm="mathematica_free")
-2*arctan(-((a - b)*tan(1/2*x) - c)/sqrt(a^2 - 2*a*b + b^2 - c^2))/
sqrt(a^2 - 2*a*b + b^2 - c^2)
And now you may try newton-leibniz formula
R.
On 28 ún, 18:34, WH27 <willjhe...@gmail.com> wrote:
> Can't seem to perform the integration below
>
> forget()
> a, b, c, x = var('a b c x')
> assume((c-b+a)*(c+b-a)>0)
>
> f = 1/(a-b-c*sin(x))
>
> integrate(f, x, 2*pi, 0)
>
> error msg - "Is (c-b+a)*(c+b-a) positive or negative?"
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