Respuesta :

Solution:

Given:

[tex]sec(\frac{\pi}{3})[/tex]

To find the exact value,

Step 1: Apply the trigonometri identieties.

From the trigonometric identities,

[tex]sec\text{ }\theta\text{ =}\frac{1}{cos\theta}[/tex]

This implies that

[tex]sec(\frac{\pi}{3})=\frac{1}{\cos(\frac{\pi}{3})}[/tex]

Step 2: Evaluate the exact value.

[tex]\begin{gathered} since \\ \cos(\frac{\pi}{3})=\frac{1}{2}, \\ we\text{ have} \\ sec(\frac{\pi}{3})=\frac{1}{\cos(\pi\/3)}=\frac{1}{\frac{1}{2}}=2 \end{gathered}[/tex]

Hence, te exact value of

[tex]sec(\frac{\pi}{3})[/tex]

is evaluated to be 2