If + = 90 and : = 2 : 1, then the ratio of cos to cos is : – McqOptions

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1.	If + = 90 and : = 2 : 1, then the ratio of cos to cos is :
A.	1 :
B.	1 : 3
C.	1 :
D.	1 : 2
Answer» B. 1 : 3

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