dx is equal to (where c is a constant of integration) |
|||
(a) |
2x + sinx + 2 sin2x + c |
(b) |
x + 2 sinx + 2 sin2x + c |
(c) |
x + 2 sinx + sin2x + c |
(d) |
2x + sinx + sin2x + c |
dx is equal to (where c is a constant of integration) |
|||
(a) |
2x + sinx + 2 sin2x + c |
(b) |
x + 2 sinx + 2 sin2x + c |
(c) |
x + 2 sinx + sin2x + c |
(d) |
2x + sinx + sin2x + c |
dx
= dx
= dx
Now use sin2x = 2sinxcosx and sin3x = 3sinx − 4sin3x
= dx
= x + 2sinx + sin2x + c