i need help answering these questions

Chapter 4 Assignment Name: MHF4U Due: November 24, 2021 Score: /28 1. 3 Determine the exact radian measure for each angle. (a) 150 (b) 350 (c) 1910 2. 3 Determine the approximate degree measure, to the nearest tenth for each angle. (a) 47 (b) 57 (c) 197 11 3. 3 During a unicycle race, the wheel of Charles' unicycle rotates 140 times in 1 minute. Determine the exact angular velocity of the wheel in (a) degrees per second (b) radians per second 4. 4 Use a calculator to evaluate each trigonometric ratio, to four decimal places. (a) cos 1.67 (b) csc 1.67 (c) tan 37 (d) sec 5. 3 Determine the exact values of the six trigonometric ratios (sin, cos, tan, csc, sec, and cot) for the angle -6. 4 Determine an exact value for the expression below. sin 3" tan cos lla 7. 4 Use the appropriate compound angle formula in order to find the exact value for the ratio cos 12 8. Angle a lies in quadrant 4 where sin a = - and angle b lies in quadrant 2 where cos b = =12 (a) 1 Determine cos a (b) 1 Determine sin b (c) 2 Determine an exact value for sin(a - b)