Question

integrate sec7x*tan7x dx

Answer 1

Explanation:

I hope it's helpful to you.

Answer 2

Hola mate

Here is your answer -

Let 7x = u

=> 7 dx = du

=> dx = (1/7) du

=> ∫sec(7x) tan(7x) dx

= (1/7) ∫secu tanu du

= (1/7) secu + c

= (1/7) sec(7x) + c.