If Î± + Î² = 90Â° and Î±:Î² = 2:1, then the ratio ofÂ cos� – McqOptions

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1.	If Î± + Î² = 90Â° and Î±:Î² = 2:1, then the ratio ofÂ cosÎ± to cosÎ² is
A.	1:âˆš3
B.	0.04375
C.	1:âˆš2
D.	0.043055555555556
Answer» B. 0.04375

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