Saved Bookmarks
| 1. |
If cosθ+2cosϕ+3cosΨ=sinθ+2sinϕ+3Ψ=0, then sin3θ+8sin3ϕ+27sin3ψ= |
|
Answer» If cosθ+2cosϕ+3cosΨ=sinθ+2sinϕ+3Ψ=0, then sin3θ+8sin3ϕ+27sin3ψ= |
|