I need help with these questions

In 3-8. for each value of 0. use half-angle formulas to find a. sin 30 b. cos 30 c. tan 30. Show all work. 3. 0 = 480 4. 0 = 120 5. 0 = 300 6.0 = 21 7.0 = 4 8. 0 = 37Graph the direction based on the compass direction. 1) 100 2) 200 3) 270 4) 300 5) Northeast 6) Northwest 7) Southeast 8) Southwest