$\sec \left( - 60 ^ { \circ } \right)$
A) $- \frac { 2 \sqrt { 3 } } { 3 }$
B) $- \frac { \sqrt { 2 } } { 2 }$
C) 2
D) $\frac { 1 } { 2 }$

Name: $\sec \left( - 60 ^ { \circ } \right)$ A) $- \frac { 2 \sqrt { 3 } } { 3 }$ B) $- \frac { \sqrt { 2 } } { 2 }$ C) 2 D) $\frac { 1 } { 2 }$
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Question

Quizplus · Accepted Answer

The secant function is the reciprocal of the cosine function. $\cos(-60^\circ) = \cos(60^\circ) = \frac{1}{2}$, so $\sec(-60^\circ) = \frac{1}{\cos(-60^\circ)} = 2$.

sec⁡(−60∘)\sec \left( - 60 ^ { \circ } \right)sec(−60∘) A) −233- \frac { 2 \sqrt { 3 } } { 3 }−323​​

$\sec \left( - 60 ^ { \circ } \right)$ A) $- \frac { 2 \sqrt { 3 } } { 3 }$