Post a New Question


posted by .

please simplify

sin (7pi/6 -x) + cos (2pi +x)

  • trig -

    Use the formulas for sin (A - B) and cos (A + B)

    I can tell you right away that cos (2 pi + x) = cos x

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question