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# Inverse Function, Cosine, Unknown Angle

TRIG-EGIJNB

Given $\text{ triangle ABC}$ below, find the measure of $\text{ angle CAB}$ to the nearest hundredth of a degree.

A

$\theta ={ 40.60 }^{ o }$

B

$\theta ={ 33.06 }^{ o }$

C

$\theta ={ 30.41 }^{ o }$

D

$\theta ={ 130.60 }^{ o }$