`inttan2xtan5xtan7xdx`

inttan2xtan3xtan5xdx=

inttanxtan2xtan3xdx

STATEMENT-1 : int tan5xtan3xtan2xdx is equal to (log|sec5x|)/(5)-(log|sec3x|)/(3)-(log|sec2x|)/(2)+c and STATEMENT-2: tan5x-tan3x-tan2x=tan5xtan3xtan2x .

inttan^7xdx

inttan^2xdx

tan5xtan3xtan2x=?

y=tanxtan2xtan3xtan4x

inttan(x-theta)tan2xtan(x+theta)dx

inttan^5xdx

inttan^5xdx