Question

Integrate the following functions w.r.to ‘x’.

(i) cosec²(7 - 11x) 

(ii) sec(3 + x) tan(3 + x)

Answer 1

(i) ∫cosec²(7 - 11x) dx = -cot(7 - 11x)/-11 

= (1/11) cot(7 - 11x) + c

(ii) ∫sec(3 + x) tan(3 + x) dx = sec(3 + x) + c