Post a New Question


posted by .

Use a sum or difference identity to find the exact value.

tan 25deg + tan 5deg / 1-tan 25deg tan 5deg

  • trig -

    tan(x+y) = (tanx + tany)/(1-tanx tany)
    so, what you have is

    tan(25°+5°) = tan 30° = 1/√3

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question