If sec θ = 3x and tan θ = 3/x , (x ≠ 0) then the value of 9(x2 – – McqOptions

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1.	If sec θ = 3x and tan θ = 3/x , (x ≠ 0) then the value of 9(x2 – 1/x2) is:
A.	14
B.	1
C.	13
D.	12
Answer» C. 13

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