If sin theta 1+sin theta 2+sin theta 3=3 then find cos theta 1+cos theta 2 + cos theta 3?
(1,2 and 3 are subscript to theta in all the cases of cos and sin)
If sin theta 1+sin theta 2+sin theta 3=3 then find cos theta 1+cos theta 2 + cos theta 3?
(1,2 and 3 are subscript to theta in all the cases of cos and sin)