SOLUTION: If cos A = 1/3 , find sin (A/2) if ∠A is ACUTE.

SOLUTION: If cos A = 1/3 , find sin (A/2) if ∠A is ACUTE.

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Question 1138004: If cos A = 1/3 , find sin (A/2) if ∠A is ACUTE.
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
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