Product tan1°.tan2°.tan3º° is:
(a) 1
(0) 0
(b)-1
(d) 90
answer in a little bit detail

Consider circle o, where and . m∠bpd °. °.

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

Which statement explains the relationship between corresponding terms in the table?