sin * sin/cos = 1
sin^2 / cos =1
(1-cos^2) =cos
cos^2 + cos -1 = 0 Let x = cos
x^2 + x -1 = 0 use quadratic formula to find x = .618 or -1.618 (throw out ...cos cannot be this magnitude)
sin * sin/cos = 1
sin^2 / cos =1
(1-cos^2) =cos
cos^2 + cos -1 = 0 Let x = cos
x^2 + x -1 = 0 use quadratic formula to find x = .618 or -1.618 (throw out ...cos cannot be this magnitude)