If A + B = 45°, then the value of 2(1 + tan A) (1 + tan B) is: – McqOptions

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1.	If A + B = 45°, then the value of 2(1 + tan A) (1 + tan B) is:
A.	4
B.	1
C.	0
D.	2
Answer» B. 1

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