Question

derivative of y = e^(ax) sin (beta)x

Answer 1

sinx = e^y
cosx=e^y.y'
y'=cos(x)/e^y

Answer 2

use the product rule

u = e^(ax) du/dx = ae^(ax)

v = sin(bx) dv/dx = dcos(bx)

substitute into the product formula shown below
\[dy/dx = u \times dv/dx + v \times du/dx\]