Relation Between Sin X Sin X And Cos X Cos X

Relation between sin x, sin (-x) and cos x, cos (-x)

graph TD; A[Trigonometric Relations] --> B[Sin x]; A --> C[Sin (-x)]; A --> D[Cos x]; A --> E[Cos (-x)]; B --> F[Sin x = - Sin (-x)]; D --> G[Cos x = Cos (-x)];