Graph each polar curve. Label at least 3 points. 9. r = -7 sin 0 10.r = 3sin 20 11.r = 2 + 4 cos 0 12. Determine the equation of the tangent line to r = 3 + 8 sin 0 at 0 = 1/6. ANSWERS 1. (2, -2V/3) 2. (3 V/2 3V2) 3. (VZ, STY ) 4. (5,0) 5. y = 3x +5 2 6. x2 + y2 = -8x 7. r = 4 cot 0 csc 0 8. 2r cos 0 - 53cos30 = 1 + r2 cos 0sin 0 y= 7+ liv/3 7V3 5 9. 10. 11