Asked by alsa

Integral of theta^3*lnsintheta with respect to theta from 0 to pi
Answered by Steve
∫[0,pi] x^3 ln(sin(x)) dx

you got me. wolframalpha . com figures the value, but it's not evaluated using elementary functions.
Answered by alsa
Integral [0,pi/2] of sin(x)ln(sinx) w.r.to x.