Jawabanmu

2014-05-24T06:43:50+07:00
14. y'=10 sin (8x-4) cos ^3 (4x-2)
15. y'=1/2√x sin x cox x
16. y' = 5 (cos^2 x - sin^2 x)
18. f'(Π/2) = -1
19. f'(Π/6) = 1/4
20. y' = 2x sin x cos x