This trigonometry video tutorial explains how to solve trigonometric equations by factoring and by using double angle formulas and identities. It explains how to factor trigonometric expressions using the difference of perfect squares method and the same techniques used to factor trinomials in algebra. Solving Trig Equations - Finding All Solutions: https://www.youtube.com/watch?v=kEcbxiLeGTc Solving Trig Equations With Multiple Angles: https://www.youtube.com/watch?v=eZPEW2hVUd0 Law of Sines: https://www.youtube.com/watch?v=8qezAG2r0sk More Examples - Law of Sines: https://www.youtube.com/watch?v=9fS0uA4iLxI Area of an Oblique Triangle: https://www.youtube.com/watch?v=vPt6j5e_uhE ______________________________ The Height of a Triangle - Heron's Formula: https://www.youtube.com/watch?v=a1PR9O1Va84 Law of Cosines: https://www.youtube.com/watch?v=9CGY0s-uCUE Polar Coordinates: https://www.youtube.com/watch?v=aSdaT62ndYE Polar Equations to Rectangular Equations: https://www.youtube.com/watch?v=flTz_pSzVFI Rectangular Equations to Polar Equations: https://www.youtube.com/watch?v=fTBkr27r3pw How To Graph Polar Equations: https://www.youtube.com/watch?v=jO4lwddfeDA _________________________________ Complex Numbers - De Moivre's Theorem: https://www.youtube.com/watch?v=J6TnZxUUzqU Dot Product of Two Vectors: https://www.youtube.com/watch?v=VzX8KJKFhlM Trigonometry Final Exam Review: https://www.youtube.com/watch?v=OAsbx4TEnL0 Final Exams and Video Playlists: https://www.video-tutor.net/ Full-Length Videos and Worksheets: https://www.patreon.com/MathScienceTutor/collections