Tan Sum identity (tan(A+B)=fractan A+tan B1-tan Atan B)
jee-advancedjee-main
tan(A+B)=fractan A+tan B1-tan Atan B
What each symbol means
| Symbol | What it stands for |
|---|---|
| A, B, x, a, b | As in standard NCERT treatment; domain restrictions apply for tan. |
When to use this
Standard NCERT conditions; tan identities exclude odd multiples of π/2 where undefined.