1.Approximate the acute angle to the following. sec = 4.236 (a) the nearest 0.01 (b) the nearest 1' ' 2.Approximate the acute angle to the following. csc = 2.58 (a) the nearest 0.01 (b) the nearest 1' ' 3.Approximate to four decimal places. (a) sin 621.4 (b) cos 0.35 (c) tan 10420' (d) cot 1024.2 (e) sec 1.96 (f) csc 35020' 4.Approximate, to the nearest 0.1, all angles in the interval [0, 360) that satisfy the equation. (Enter your answers as a comma-separated list.) (a) sin = 0.9235 = (b) cos = 0.6302 = (c) tan = 1.5911 = (d) cot = 1.3458 = (e) sec = 1.4195 = (f) csc = 2.3379 = 5.Approximate, to the nearest 0.01 radian, all angles in the interval [0, 2) that satisfy the equation. (Enter your answers as a comma-separated list.) (a) sin = 0.0146 = (b) cos = 0.9224 = (c) tan = 0.45 = (d) cot = 2.769 = (e) sec = 3.58 = (f) csc = 1.261 = 6. Use a formula for negatives to find the exact value of 7. Find the reference angle 8.Approximate to the nearest degree the obtuse angle whose sine is 0.8765 (Type deg for degrees). __________ 9.Find the amplitude, the period, and the phase shift. y = sin x+ 4 amplitude period phase shift Sketch the graph of the equation. 10.Find the amplitude, the period, and the phase shift. y = 3 sin x+ 4 amplitude period phase shift Sketch the graph of the equation. 11.Find the amplitude, the period, and the phase shift. y = 3 sin x 3 amplitude period phase shift Sketch the graph of the equation. 12.Find the amplitude, the period, and the phase shift. y = 3 cos x+ 4 amplitude period phase shift Sketch the graph of the equation. 13.Find the amplitude, the period, and the phase shift. y = cos(4x ) + 4 amplitude period phase shift Sketch the graph of the equation. 14.Find the amplitude, the period, and the phase shift. y = sin 1 3 x 4 amplitude period phase shift Sketch the graph of the equation. 15.Find the amplitude, the period, and the phase shift. y = 4 cos 4 x amplitude period phase shift Sketch the graph of the equation. 16.Find the amplitude, the period, and the phase shift. y= 1 4 cos 5 x amplitude period phase shift Sketch the graph of the equation. Subm Answer it Save Progress Practice Another Version 17.Find the amplitude, the period, and the phase shift. y = 3 sin 2x 3 amplitude period phase shift Sketch the graph of the equation. 18.Find the amplitude, the period, and the phase shift of the equation. y = 2 sin 1 6 x 6 amplitude period phase shift Sketch the graph of the equation. 19.Find the amplitude, the period, and the phase shift. y = 3 cos(x + 3) 2 amplitude period phase shift Sketch the graph of the equation. 20.The graph of a sine function with a positive coefficient is shown in the figure. (a) Find the amplitude, period, and phase shift. (The phase shift is the first negative zero that occurs before a maximum.) amplitude period phase shift (b) Write the equation in the form y = a sin(bx + c) for a > 0, b > 0, and the least positive real number c. 21. Approximate to the nearest 0.01 radian the positive angle in the third quadrant whose cotangent is 0.7784 _______________