Sederhanakan bentuk berikut Cosec x.cos x. Tan x=

cosec x = 1/sinx
tan x = sinx/cosx

maka cosecx.cosx.tanx = 1/sinx.cosx.sinx/cosx = 1.

cosec x × cos x × tan x
= 1/sin x × cos x × sin x /cos x
= 1