sin x over pi

Calculus Level pending

If the integral ( 0 ( 0 x 60 y 59 ( 201 8 60 201 9 60 ) ( 201 8 60 + y 60 ) ( 201 9 60 + y 60 ) d y 60 ln ( 2019 2018 ) ) d x ) 1 \left(\int_0^{\infty}\left(\int_0^x\dfrac{60y^{59}(2018^{60}-2019^{60})}{(2018^{60}+y^{60})(2019^{60}+y^{60})}dy-60\ln\left(\dfrac{2019}{2018}\right)\right)dx\right)^{-1} can be expressed as sin ( a ) π = b + a ϕ ( a b ) b + ϕ c d c ϕ π \dfrac{\sin(a^{\circ})}{\pi}=\dfrac{b+\sqrt{a}-\phi(\sqrt{a}-b)\sqrt{b+\phi^{c}}}{d\sqrt{c}\phi\pi} where a , b , c a,b,c and d d are positive integer with a a being prime and ϕ \phi represents Golden ratio .

Find the value of a + b + c + d a+b+c+d .


This is an original problem .


The answer is 10.

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