1 / | | 1 | 1*------ dy | tan(y) | / 0
Integral(1/tan(y), (y, 0, 1))
/ | / 2 \ / 2 \ | 1 log\-2 + 2*sec (y)/ log\2*sec (y)/ | 1*------ dy = C + ------------------- - -------------- | tan(y) 2 2 | /
Use the examples entering the upper and lower limits of integration.