1. Let f(x)= cos(9x) and g(x)=3+2 sin(9x). d f(x)] (a) Find dx (g(x)) [Give the answer in terms of sin(9x).] (b) Evaluat
Posted: Tue May 10, 2022 8:41 pm
1. Let f(x)= cos(9x) and g(x)=3+2 sin(9x). d f(x)] (a) Find dx (g(x)) [Give the answer in terms of sin(9x).] (b) Evaluate S 2 f(x).g(x)dx . (25 marks)