Could someone show me how to work out the following problems?

W15D2: Time to Submit Your Practice Show your work for the following problems Find the exact value of each of the following expressions: 1. sin 30"-cos 450 2. cos 180" -sin 180" 3. 4sin 90"-3tan 45" 4. csc (2 ) + cot () Find the exact values of the six trigonometric functions of the given angles. 5. 210 6. 4 7. -135 Use the given point to find the exact value of each of the six trigonometric functions of the angle. 8. (5, -12) 9. (-1, -2) 10. 4