6.6c Solving Trigonometric Equation (Form Quadratic Equation in sinx/ cosx/ tanx/ cosecx/ secx/ cotx)

(C) Solving Trigonometric Equation (Form Quadratic Equation in sinx/ cosx/ tanx/ cosecx/ secx/ cotx) Example: Find all the angles between 0° and 360° that satisfy each of the following equations. (a) 3 sin² x – 2 sin x – 1 = 0 (b)  2 sin x = cosec x + 1 (c) 5 sin² x = 2 (1 + cos x) … Read more