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For the following, assume that all the given angles are in simplest form

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For the following, assume that all the given angles are in simplest form, so that if A is in QIV you may assume that 270° < A < 360°.

If cos A = 1/2 in QIV, find the following.

sec A/2

 

 

related to an answer for: If sinA=-3/5 with A in QIII
asked Oct 28, 2017 in TRIGONOMETRY by anonymous
reshown Oct 28, 2017 by bradely

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