Question

calcule a sec x sendo: ​

Answer 1

Temos que

secx = 1/cosx, logo

$secx=\frac{1}{\frac{-\sqrt{3}}{2}}=\frac{1}{(-\frac{2}{\sqrt{3})}=-\frac{2}{\sqrt{3}}=-\frac{2.\sqrt{3}}{\sqrt{3}\sqrt{3}}=-\frac{2\sqrt{3}}{3}$

$-\frac{2\sqrt{3}}{3}$