Question

prove that cotx × tanx = 1

Answer 1

Cot x = cos X / sin X
Tan X= sin X/ cos X
Tan x × cos x= cos x/sin x ×sinx/cosx
=1

Answer 2

cotx × tanx = 1 [ To Prove ]
= 1/tanx × tanx
= tanx/tanx
= 1