![]() Sin(θ ± φ) = Sinθ * Cosφ ± Cosθ * Sinφ, Cos(θ ± φ) = Cosθ * Cosφ ∓ Sinθ * Sinφ: These identities allow us to express the sine and cosine of the sum or difference of two angles. ![]() ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |