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Trigonometry

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Moderate

Inverse Function, Secant, Arccosine, Cosine, Exact Value

TRIG-EBBPUS

Find the exact value of $ \sec { \left( \arccos { \left( \frac { 2 }{ 3 } \right) } \right) }$.

A

$ \cfrac { 2 }{ 3 }$

B

$ \cfrac { 3 }{ 2 }$

C

$ \cfrac { 1 }{ 2 }$

D

$ 3$