Question

34. (1+sin A)(1+sin B)(i+sin C) =(-sin A)
(1-sin B) (1-sin C)=k = k =
1) +sin Asin B sir C
2) Ecos Acos B cos C
3) I sec A sec B sec C
4) + cosec A cosecB cosecc​

Answer 1

Please see the attachment