1 / | | 1 | -------- dx | / 1 \ | |------| | \cos(x)/ | / 0
Integral(1/(1/cos(x)), (x, 0, 1))
/ | | 1 | -------- dx = C + sin(x) | / 1 \ | |------| | \cos(x)/ | /
sin(1)
=
0.841470984807897
Use the examples entering the upper and lower limits of integration.