How do you solve -LSB- math -RSB- \ displaystyle \ int _ -LCB- \ frac -LCB- \ pi -RCB- -LCB- 2 -RCB- -RCB- ^ -LCB- \ pi -RCB- \ frac -LCB- \ sqrt -LCB- 1 + \ sin ^ 2x -RCB- -RCB- -LCB- 3 \ sin x +3 \ cos x -RCB- \ mathrm -LCB- d -RCB- x -LSB- / math -RSB- ?
Does a turbine 's inlet cone move up when working ?