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"];
BETA
