Which of the following are identities check all that apply
Asked by maham237 @ in Mathematics viewed by 277 People
Which of the following are identities? Check all that apply. A. sin^2x - cos^2x = 1 B. sin^2x = 1 - cos^2x C. tan^2x = 1 + sec^2x D. cot^2x = csc^2x - 1