Pre-Calculus OL v4 B-- Owens X A Trig identity Proofs.pdf - Googl X + om/file/d/1PC6abklZyZLwHjUgZDV71Ruy_mevXzcL/view # 3 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. Your teacher will be grading you on correctness of each problem solved as well as your explanations for each step in the process. Each video you submit should not exceed 4 minutes. There are many options for recording programs that you can use one free option is Screencast-O-Matic. We created a short tutorial video for you if you wish to use that program. (10 points) 1. 20 F3 $ 4 cote sece 000 000 F4 = csc0 45 % - F5 - A 6 sino MacBook & 7 AL F7 8 DII F8 ( 9 B A F