If 2cosAsinB = x, then the value of x is? – McqOptions

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1.	If 2cosAsinB = x, then the value of x is?
A.	sin(A+B) + sin(AÂ-B)
B.	cos(A+'+ cos(AÂ-B)
C.	sin(A+B) Â- sin(A-ÂB)
D.	cos(AÂ-B) -Â cos(A+B)
Answer» D. cos(AÂ-B) -Â cos(A+B)

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