Solving A Golden Trigonometric Equation (tan^2 x + cos 4x = 0)

This video is about solving a Golden Trigonometric Equation This problem was suggested by @Akaki Dzidziguri Become a member here: https://bit.ly/3cBgfR1 My merch: https://teespring.com/stores/sybermath?page=1 Follow me: https://twitter.com/SyberMath Subscribe!!!: https://www.youtube.com/SyberMath?sub_confirmation=1 If you need to post a picture of your solution or idea: https://twitter.com/intent/tweet?text=@SyberMath #ChallengingMathProblems #TrigonometricEquations EXPLORE: A rational equation. A challenge in algebra: https://youtu.be/XUq96gvZ_vA Finding the area of a weird region in a quarter circle: https://youtu.be/1Ckw39vxETM Solving an exponential equation: https://youtu.be/in8dH2LQaSY