Question

Integration of (cos(2-7x))dx

Answer 1

Step-by-step explanation:

Given, to intigrate cos(2-7x)

We have,

$\int \cos(2 - 7x) dx$

$= \frac{ \sin(2 - 7x) }{ \frac{d}{dx} (2 - 7x)} + c$

$= \frac{ \sin(2 - 7x) }{0 - 7} + c$

$= - \frac{1}{7} \sin(2 - 7x) + c$