F(x)=csc(tanx), maka f'(x) =.....

maaf yah kalau salah...
semoga membantu:)

turunan substitusi
f(x) = csc (tan x)

u= tan x --> du/dx = sec² x
y= csc u--> dy/du  = -cot u csc u

f'(x)= dy/dx

dy/dx = dy/du . du/dx
f '(x) = - cot (u). csc (u). sec² x
f '(x) = -  sec² x .cot (tan x ) csc (tan x)