Reciprocal Trig Functions: csc, sec, cot

Grade 10·20 problems·~30 min·ACT Math·topic·act-geo-trig-recip

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Fluency Practice

What is $\sec(30\degree)$ ? Express your answer in rationalized form.

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

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

$2$

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