Question

Integrate the following functions with respect to x:

cos(5 – 11x)

Answer 1

`int cos("a"x + "b")  "d"x = 1/"a"  sin ("a"x + "b") + "c"`

`int cos(5 - 11x)  "d"x = 1/(- 11)  sin(5 - 11x) + "c"`

= `- 1/11  sin(5 - 11x) + c"`