If sin (θ + 23°) = cos 58°, then what is the value of cos 5θ? – McqOptions

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1.	If sin (θ + 23°) = cos 58°, then what is the value of cos 5θ?
A.	1/2
B.	1/√2
C.	√3/2
D.	0
Answer» C. √3/2

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