TURUNAN TRIGONOMETRI
TURUNAN TRIGONOMETRI y = sin x >> y' = cos x y = cos x >> y' = -sin x y = tan x >> y' = sec2 x y = sec x >> y' = se x tan x y = cosec x >> y' = -cosex cotan x y = co tan x >> y ' = -cosec 2 x contoh 1. y = 3 cos x + 2 sin x y' = Dx(3 cos x) + Dx (2sin x) y' = 3 Dx(cos x) + 2 Dx (sin x) y' = 3 (-sin x) + 2 cos x y' = -3 sin x + 2 cos x 2. y = sin x . cos x y' = sin x. cos x y' = (Dx(sin x) .cos x) + (Dx(cosx) sin x) y' = cos x . cos x + (-sin x) sin x y' = cos2x - sin 2x