Answer to Question #61961 in Calculus for musba

Question

4 Find the
∫tan3xsec3xdx

tan2x+1

cot2x+1

sec2x+1

sec2x

5 Find
∫sec3xtanxdx

sin2x+c

cos2x+c

sec3x3+c

cos3x2+c

6 Evaluate
∫x+1x2−3x+2dx

3ln(x+2)−2ln(x+1)+c

3ln(x−2)−2ln(x−1)+c

−3ln(x−2)−2ln(x−1)+c

3ln(x−2)+2ln(x+1)+c