Question

the integral of sec 2x * tan 2x dx?

Answer 1

whats the derivative of sec?

Answer 2

\[\int\limits_{}^{} \sec (2x) \tan (2x)dx\]\[u = 2x, \frac {1}{2}du = dx\]\[\frac {1}{2} \int\limits_{}^{} \sec u \tan u du = \frac {1}{2} \sec u = \frac {1}{2} \sec 2x\]

Answer 3

+C

Answer 4

the 2x pops out a 2 that needs to disappear so id say 1/2 sec(2x)

yep

Answer 5

+C lol

Answer 6

Always the constant... Damn.

Answer 7

yes i contributed something lol

Answer 8

Rogue, good job!

Answer 9

lets try to avoid the "d" in the future please :)

Answer 10

I'll try ;)

Answer 11

i like plus K

Answer 12

so the antideriative of sec * tanx is secx?

Answer 13

Yup =]

Answer 14

+ C

Answer 15

yes, anyway, it's not in my cal book, thank you