Evaluate integration
- evaluate integration dx/x2+4x+8
- evaluate integration of e^x sinx dx
- evaluate integration of tan x dx
- evaluate integration 3x-2/(x+1)2x+3) dx
- evaluate integration 1/xu221Alogx dx
- evaluate integration 1/xlogx dx
- evaluate integration sin2x/cosx dx
- evaluate integration 1/x2+25dx
- evaluate integration 1/25-9x^2 dx
- evaluate integration of log x dx