ΔXYZ is right angled at Y. If ∠X = 30o, then find the value of (cos – McqOptions

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1.	ΔXYZ is right angled at Y. If ∠X = 30o, then find the value of (cos Z + 1/3).
A.	(2 + √3)/2
B.	(2√2 + √3)/2
C.	1 + √3
D.	5/6
Answer» E.

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