tanX + 1 The expression 1 -tank can be rewritten as which of the following? [6.02] A. tan (x - (5Tu/4)) O B. tan (x - (3rt/4)) O c. tan (x + (7Tu/4)) O D. tan (x - (Tt/4))Which statement is true for all real values of 0? [6.01] O A. sin20 - cos20 = 1 B. cos20 = 1 + sin20 C. sec20 + tan20 = 1 D. cot20 = csc20 -18 Given sin(0) = 17 and 2 what is the exact solution of sin(20)? [6.03] A. -128/169 B. 4(V189)/75 C. 240/289 D. -189/169What are all the solutions to the equation 2cos20 - 1 = 2 ? [6.03] A. X= (7/6) + 2min, x = (11nt/6)+ 2min O B. x = (57/12) + run, x = (71/12)+ run C. x= (TU/8) + min, x = (7/8)+ run D. X= (57/6) + 27n, x = (71/6)+ 2runAt which values in the interval [0, 2nt) will the functions f (x) = cos(2x) - 5 and g(x) = sin(2x) - 5 intersect? [6.06] A. X = 0, TL/8, TL/2, 97/8 O B. x = It/8, 5It/8, 9Tt/8, 13nt/8 C. x = 1/10, 1/2, 97t/10, 137t/10, 17rc/10 D. X = 0, 1/2, 1/10, 137t/10, 17Tt/10The sound wave of two music notes can be represented by the function y = -2cos x and y = cos2x, where x represents the time since the note is played. At what times will the frequencies of the sound waves be the same in the interval [0, 3609)? [6.06] A. x = 0', 180, 270, 300 O B. x = 0', 60, 1209, 180 O C. x = 60, 1009, 140, 180 D. x = 60', 1209, 240%, 300