y=sinx^tanx 取对数求导

y=sinx^tanx 取对数求导
y=sinx^tanx 取对数求导

y=sinx^tanx 取对数求导
lny = tanx * ln(sinx)
y' /y = sec²x ln(sinx) + tanx * (cosx /sinx)
y' = sinx^tanx * [ sec²x ln(sinx) + 1]