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. = csco - sine seco 2. 2 sec-0 = 1 1 + 1-sino 1+sin0 1+tan x 2 3. = sec x sec x 2 2 4. sin x cos x + cos x = cos x 4