log tan 1 + log tan 2 + _____ + log tan 89 is 1

1.	log tan 1 + log tan 2 + _____ + log tan 89 is 1
A.	1
B.	1/
C.
D.	0
E.	1
Answer» D. 0

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log tan 1 + log tan 2 + _____ + log tan 89 is 1

log tan 1 + log tan 2 + _____ + log tan 89 is 1

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