Saved Bookmarks
| 1. |
If sin α+sin β+sin γ=0=cos α+cos β+cos γ then value of cos(α−β)+cos(β−γ)+cos(γ−α) is |
|
Answer» If sin α+sin β+sin γ=0=cos α+cos β+cos γ then value of cos(α−β)+cos(β−γ)+cos(γ−α) is |
|