Question

(tan x) (sin x) (cos x) (csc^2 x)=1

Answer 1

write tan x as sin x/cos x

Answer 2

tan x =sin x/cos x
so
on putting (sin x)(sin x)(cosec^2 x)
cosec x =1/sin x
so
it will become sin^2 x/sin^2 x=1
:)

Answer 3

omg. thank you!