If cos A= 1/2 with A in Q1V, find the following  secA/2

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter4: Graphing And Inverse Functions
Section: Chapter Questions
Problem 20CT
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If cos A= 1/2 with A in Q1V, find the following 

secA/2

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