< Verify the identity. cos't- sin* t=1-2 sin² t Which of the following four statements establishes the identity? OA. ○ B. ○ C. ○ D. 4 cos * t- sin^ t = (cos ² t) (cos² t+ sin 2 t) = 1-2 COS COS 4 sin* sin² COS t- sin t= (cos² t- sin 2 t) (cos 2 t- sin² t sin² t) = 1 2 t) = 1 - 2 sin² t 2 1-2s 4 t- sin* t = (cos² t+ sin 2 t) (cos² t- sin² t) = 1-2 sin² t 4 t- sin* t = (sin² t) (cos² t+ sin 2 t) = 1-2 sin² t F2 # # 80 F3 $ DOD ODO F4 MacBook Air F5 F6 F7 % Λ &

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