Deriving Formulas For 2 Cos X Cos Y Cos 2X Cos X 2 Cos X± 2 Sin X Y Sin X Y Sin 2X Etc
Deriving formulas for 2 cos x cos y, cos 2x, cos (x/2), cos (x±?/2), sin (x+y), sin (x-y), sin 2x etc
graph TB
A[Deriving formulas] --> B[2 cos x cos y]
A --> C[cos 2x]
A --> D[cos (x/2)]
A --> E[cos (x±?/2)]
A --> F[sin (x+y)]
A --> G[sin (x-y)]
A --> H[sin 2x]
