1. sin (30°) = 1/2; 2. sin (300°) = - 3/2; 3. tan (30°) = 3/3; 4. sin (45°) = 2/2; 5. sec (240°) = -2; 6. sin (60°) = 3/2; 7. cos (45°) = 2/2: Start a new line. 8. cos ... 17. tan (150°) = - 3/3; 18. csc (30°) = 2; 19. csc (45°) = 2; 20. sec (210°) = -2 3/3: Start a new line. 21. cot (45°) = 1; 22. sec (45°) = 2; 23. sin (330°) = -1/2; 24. tan (135°) = -1 ...