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Find the sum `sum (r=1)^ncos((2r-1)pi)/((2n+1)` (Doubtnut) View |
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Find the sum of `sum (r=1)^ncos(((2r-1)pi)/(2n+1))` (Doubtnut) View |
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Σsin((n+(1/2))π)/(1+√n) from 0 to ∞ (Kill(ss)ing Asuka) View |
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Sum to infinity of r^ncos(nx) (AustinMark Maths Tutorial) View |
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Evaluate the sum from 1 to infinity of 1/(2n-1)^2 using Fourier Series (Poujh) View |
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`sum (r=1)^(n-1)cos^2((rpi)/n)` (Doubtnut) View |
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`sum (r=1)^n (cos(2r x))/sin(r x+pi/4)=((2sin50 x)/sin(x/2))sin(pi/4-(m x)/2)` then (Doubtnut) View |
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Math 1A 5.1 The limit of the sum of the areas of approximating rectangles (Fiorentino Siciliano) View |
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IF `f(r )=1+(1)/(2)+(1)/(3)+ (Doubtnut) View |
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If `S n=sum (r=1)^n t r=1/6n(2n^2+9n+13)` , then `sum (r=1)^oo1/(r*sqrt(t))` equals (Doubtnut) View |