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y' = a cos(ax)
ambil contoh:
y = sin(5x) + cos(2x)
y' = 5cos(5x) + (-2sin(2x))
y' = 5cos(5x) - 2sin(2x)
ada contoh lain:
y = sin(2x)
y = 2 sin(x) cos(x)
misal:
u = 2 sin(x), u' = 2 cos(x)
v = cos(x), v' = -sin(x)
y' = u'v + uv'
y' = 2 cos(x) cos(x) + 2 sin(x) (-sin(x))
y' = 2 cos²(x) - 2 sin²(x)
y' = 2 (cos²(x) - sin²(x))
y' = 2 cos(2x)
Semoga Membantu ya, Jangan lupa jadiin sebagai solusi terbaik, terima kasih :)