Respuesta :

Answer:

secθ = - 2

Step-by-step explanation:

Using the identity

sec²θ = 1 + tan²θ

          = 1 + ([tex]\sqrt{3}[/tex] )² = 1 + 3 = 4 ( take the square root of both sides )

secθ = ± [tex]\sqrt{4}[/tex] = ± 2

Since secθ < 0 in the third quadrant , then

secθ = - 2