DATE NO: In e ADMATH 1-) Prove that the sum of e to the i and 1 is qual to zero o-It,y CASIO fx-570ES PLUS DATURAL-U.PAM. R NO SHIFT MODEE ALPHA / AuD OBTAIU THEREueED FORTHE FuCTION SOLVE= x-loga x3 DEC 6 HEX 10 BIN 00 Бо TA rB Abs rC sinrD cos rET to F hyp COS eX6 % 1 es ON SI DEL AC 6 CLR CONV SNT Pr VECTOR X

| DELINE,BURST - Outlo X + 35/variants/512235/take/12/ SKETCHPAD Question 11 What are all of the solutions for the equation cos²(0) - 3cos(e) - sin²(8)= -2 on the interval of [0, 360°)? it CIL THIN V BLACK V + ✓ B L

< 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 &