1 4 7 10 12 6 16 x 3sinx e C 18 tan x sec x C 440 S 4 cos cos x C 12 cos2x ax b 3a 14 20 2 tan x x 3 sec x C 22 A 17 log x 2x C MATHEMATICS 2 c x 4 x 8 C 1 m log x 1 m 2 C 5 C 2 5 9 1 15 sin 3x ax 8 at by a C 9 3x C 18 3 ax b C 7 x 2 x 2 C 3a 6 EXERCISE 7 2 4a 1 4 17 19 tan x x C 21 C 2 ax b C Rationalised 2023 24 logi x C 3 log 1 log x C cos cos 2 a ONCERT not to be republished 10 log19 4x 1 C 16 10 2log x 1 C 1 18 2 3x pe 19 log e e C