Trig Identity Proofs 30 points Part 1: Complete the following 4 trig proofs. Be sure to show the step by step logical flow from one line to the next. (5 points each) Part 2: Choose 1 of these proofs and create a video explaining the proof using mathematical language. (10 points) cote 1. = csce - sine sece 2. 2 sec = 1 1-sine 1 + 1+sine 3. 2 1+tanx = sec x sec x 2 4. sinx cosx + cos x = cos x 4 cosx 2