help i need help on these two p3 june 04 questions
1) the circle C has centre (5,13) and touches the x axis
find an equation in terms of x and y for the circle c
2) using the substition u=1 + sinx and intergration show that
int. sinxcosx(1+sinx)^5 dx = (1/42)(1+sinx)^6(6sinx-1) + constant
i think ive almost done 2
have got
1/42 (6u^7 - 7u^6)
red to be given!!!