sin x.sec x.cot x tolong dibantu

sin x . sec x . cot x = sin x . 1/cos x . 1/tan x
= sin x . 1/cos x . 1/sin x/cosx
= sin x . 1/cos x . cos x/sin x
= sin x . 1/sin x
= 1
inshaallah, semoga membantu:)

[tex]sin x . \frac{1}{cosx} . \frac{cosx}{sinx} = \\ sin x.1.\frac{1}{sinx}= \\ 1[/tex]