13 Use an Addition or Subtraction Formula to write the

Last updated: 12/12/2022

13 Use an Addition or Subtraction Formula to write the expression as a COMBINED trigonometric function of one number and then find its exact value Round to 2 decimal places if needed LOS 3T 27 21 7 3 sin sin 7 COS 27 21 tan tan 18 1 tan kla kla TT tan 18