Deriving The Formula For Cot X Y Cot X Y

Deriving the formula for cot (x+y), cot (x-y)

graph TB A["Deriving the formula for cot (x+y), cot (x-y)"] B[Start with the basic trigonometric identities] C["Use the formula for cot (a+b) and cot (a-b)"] D["Apply the formula to cot (x+y) and cot (x-y)"] E[Derive the final formula] A --> B B --> C C --> D D --> E