Question

find the integral of (sin2x)/(cosx) dx without using substitution.

Answer 1

is the 2 a 2, or an exponent? :U

Answer 2

\[\Large\rm \int\limits \frac{\sin2x}{\cos x}dx\]Like that?

Answer 3

yes

Answer 4

double angle?

Answer 5

i got as far as this. \[\int\limits \frac{ 2sinxcosx }{ cosx } dx\]

Answer 6

can you see that \(\cos(x)\) cancels out :)