1.

If (1 + sin A) (1 + sin B) (1 + sin C) = (1 sin A) (1 sin B) (1 sin C), 0 < A, B, C < ( / 2) then each side is equal to

A. sin A sin B sin C
B. cos A cos B cos C
C. tan A tan B tan C
D. 1
Answer» C. tan A tan B tan C


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