Respuesta :

Answer:  From the given expression we can get the  fundamental trigonometry identity

Step-by-step explanation:

1 ÷ cos (×) - cos (×) = sin (×) * tan (×)  ⇒

[1 ÷ cos (×) ] - cos (×) = sin (×)* sin(×)/ cos (×)

1/ cos(×) - cos (×) = sin²(×)/cos(×) ⇒cos(×)/cos(×) -cos²(×) = sin²(×)

1 - cos²(×) = sin²(×)

1= cos²(×) + sin²(×)     fundamental trigonometry identity