7. Find angles between 0 and 360 (but not 42) that have the same a. Cosine as 42 b. Sine as 42 8. Without using a calculator, rank the following numbers in order from smallest to largest. cos 20, cos 145, cos(10), cos 35, cos 70, cos 150 9. For the angle :1) shown below, sketch each of the following angles. a. 180 + q!) ' U c. 90 (p cl. 360 q!) 10. Let 9 be an angle in the first quadrant with sin 9 = a. Evaluate the following in terms of a. a. sin(9 + 360) b. sin(9 + 180) c. cos(90 9) T _ 9 a = sun ..('| d. sin(180 9) f. cos(270 9) 9.1 9.2 Periodic Functions, Sine and Cosine 3