If \(cosA = \frac{3}{4},\) then what is the value of \(\sin \left( {\ – McqOptions

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1.	If \(cosA = \frac{3}{4},\) then what is the value of \(\sin \left( {\frac{A}{2}} \right)\sin \left( {\frac{{3A}}{2}} \right)?\)
A.	5/8
B.	5/16
C.	5/24
D.	7/32
Answer» C. 5/24

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