Math Class - Home

3Sinx - Exercises 69—88, solve the equation on the interval 10, 2m). Exercises 65. cosx = Inx2 —0.5x 1 71. cos6x — 5sin3x + 2 = 74. 4sin2x=l —4cos2x 77. sin 5x sinx + cos4x — cos2x = O 80. tan 20 I 83. 16cos2x — 8cosx— I = O 86. cos2x — 4cosx — I = 0 cos — — cos O. sin2r= 2sinx {0. ICas4x— 3cos2x— I = 0 sin3r— sinx ................
................