Pre Cal Trigonometry Final Exam Study Guide 1. Find the 6 trig ratios given a triangle with side lengths or given one ratio 2. Solve a right triangle 3. Find missing side lengths or missing angles from a triangle using sine, cosine, or tangent ratios 4. Change an angle in degrees to radians and vice versa 5. Convert between DMS and decimal degree form 6. Find negative and positive coterminal angles from a given angle 7. Know how to notate all angles or angles within a given interval 8. Find arc length 9. Find area of a sector 10. Given a trig ratio in a given quadrant, be able to find all 6 trig ratios 11. Use trig hand to find the exact value of the ratio of any special angle in degrees or radians 12. Use unit circle to find the ratio of any quadrant angle in degrees or radians 13. Find and use reference angles 14. Find the amplitude, period, and phase shift of a sine or cosine function 15. Write an equation given the amplitude, period, and phase shift 16. Match the graph of any of the 6 trigonometric functions 17. Find arcsine, arccosine, and arctangent or any of the reciprocals 18. Evaluate composition of arcfunctions 19. Use the Law of Sines and Law of Cosines to solve for missing sides or angles of triangles 20. Know the ambiguous case and when it applies and how to solve for both cases 21. Determine how many triangles can satisfy the given conditions 22. Find the area of a triangle using Heron’s formula or given SAS 23. Solve a triangle 24. Use all trigonometric identities to simplify expressions: reciprocal, quotient, Pythagorean, cofunction, odd-even, sum and difference, double-angle, power-reducing, half-angle, product-tosum, sum-to-product identities 25. Be able to substitute, FOIL, factor, conjugate trigonometric expressions to simplify them or verify identities or find exact values 26. Solve trigonometric equations 27. Determine if a described quantity is a vector 28. Sketch a sum of two vectors 29. Find component form given an initial point and terminal point 30. Find magnitude given an initial point and terminal point 31. Add and subtract vectors and multiply a vector by a scalar 32. Find a unit vector in the same direction of a given vector 33. Find component form of a vector given a magnitude and direction angle 34. Find direction angle of a vector 35. Write a vector as a linear combination 36. Find an angle between two vectors 37. Find the dot product and know orthogonal vector 38. Graph a point or a vector in space 39. Find component form and magnitude of vectors in space 40. Find the length and midpoint of a vector in space 41. Graph points and equations on a polar graph 42. Find multiple representations of a point on a polar graph 43. Find the distance between two polar coordinates 44. Know the symmetry checks for sine and cosine functions 45. Convert rectangular coordinates to polar coordinates and vice versa 46. Convert polar equations to rectangular equation and vice versa 47. Graph complex numbers on the complex number plane 48. Convert complex numbers to polar and vice versa 49. Multiply and divide complex numbers in polar form 50. Raise a complex number to a power using DeMoivre’s theorem