SOLUTION: If cos A = 1/2 with A in QIV, find sec A/2.

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Question 960753: If cos A = 1/2 with A in QIV, find sec A/2.
Answer by lwsshak3(11628) About Me  (Show Source):
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If cos A = 1/2 with A in QIV, find sec A/2.

sec A/2=(1/cosA/2)=-2/√3=-(2√3)/3