a. sin (2x) b. cos (2x) c. sin (x) d cos(x) Correctly fill in the blank spaces for the following four numerical response questions. Numerical Response #1 The angle, 226" , expressed in radians to the nearest hundredth, is Numerical Response #2 The angle, 0.21 radians, expressed in degrees to the nearest hundredth, is Numerical Response #3 A circle has a circumference of 10.0 cm. The are length, to the nearest tenth of a centimetre, formed by an angle of 1.75 radians is cm. Numerical Response #4 Consider the equation, 5cos (2x) + 2 = sin (x)-1, where OS x