The answers are on the 3rd picture

Page 1 of 4 O - Z Rewrite in terms of sin (x) and cos (x). 6. sin x+ 5 TT 6 7. cos x 6 Simplify each expression. 8. csc 9. cot - x 2 10. tan ( + x) 11. sin(2x) cos(5x) - sin(5x) cos(2x)12. Given sin(a) =- and cos(b) = --, with a and b both in the interval , 7 : a. Find sin (a +b) b. Find cos(a + b) c. Find tan(a + b) d. What quadrant is (a + b) in? 13. Given sin (a) = = and cos (b) = = with a and b both in the interval | 0, 7 ) : a. Find sin (a-b) b. Find cos(a - b) d. What quadrant is (a - b) in? c. Find tan(a - b) Home End PgUP FI Prtsch F10 FO F7 DIL F5 F2 F3 F4Section 7.2 1. V2 + 16 2. V2- 16 4 4 3. 12- 16 4 4. 12 + 16 5. 2 - V3 4 6. Yesin (x) -- cos (3) 7. cos (x) + - sin(x) 8. sec (t) 9. tan (x) 12. a 9 (-1)+[-5 V15 -2-513 4 12 6 . ( - 4 5 ) ( -4 ) - (3 ) ( 75 ) V5-2V15 12 c. 1 10+25V3+4 15+30v5 35 d. Quadrant III 33 56 13, a. 5 , b. 65 , C. 56) d. Quadrant I 14. 1 15. V3 PrtSen