Question

20 puntos. Simplificar la identidad trigonométrica: tanθ * secθ * ctanθ

Answer 1

senθ/cosθ.1/cosθ.cos/senθ
1/cosθ=secθ...Listoo!

Answer 2

${\tan x.\sec x.\cot x=}\\\\\\{\dfrac{\sin x}{\cos x}.\dfrac{1}{\cos x}.\dfrac{\cos x}{\sin x}=}\\\\\\{\dfrac{1}{\cos x}=}\\\\\\{\boxed{\sec x}}$