Question:
Which of the following expressions could not be used to
Last updated: 8/11/2022
Which of the following expressions could not be used to determine the exact value of cos 120°? O cos^2(60°) - sin^2(60°) O2cos^(60°) - 1 O 2sin(60°)cos(60°) O 1 - 2sin^2(60°)